SERIES Geometry - Grade 5 ASW - UNIT 1 Decimalsgrade5asw.weebly.com/uploads/2/2/4/1/22418994/... ·...
Transcript of SERIES Geometry - Grade 5 ASW - UNIT 1 Decimalsgrade5asw.weebly.com/uploads/2/2/4/1/22418994/... ·...
Student BookSERIES
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Geometry
Teacher BookSERIES
F
Geometry
Copyright ©
Contents
Topic 1 – Lines and angles (pp. 1–6)• lines ________________________________________________
• introducing angles _____________________________________
• measuring angles ______________________________________
• timepasses–investigate ________________________________
Topic 2 – 2D shapes (pp. 7–15)• polygons _____________________________________________
• quadrilaterals _________________________________________
• triangles _____________________________________________
• circles _______________________________________________
• circle sense – apply ____________________________________
• how many triangles? – investigate ________________________
Topic3–Transformation,tessellationandsymmetry(pp.16–24)• symmetry ____________________________________________
• transformation ________________________________________
• tessellation ___________________________________________
• tessellate and create – create ____________________________
• digit,DrJones–create _________________________________
Topic4–3Dshapes(pp.25–34)• introduction __________________________________________
• polyhedrons __________________________________________
• spheres,conesandcylinders _____________________________
• drawing 3D shapes _____________________________________
• nets ________________________________________________
• 2 halves make a whole … – apply _________________________
• tomb raider – investigate _______________________________
Date completed
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Series F – Geometry
Series Authors:
Rachel Flenley
Nicola Herringer
Copyright ©
Series F – Geometry
Series Authors:
Rachel Flenley
Nicola Herringer
Contents
Section1–Answers(pp.1–34)• lines and angles _____________________________________ 1
• 2D shapes __________________________________________ 7
• transformation,tessellationandsymmetry _______________ 16
• 3D shapes __________________________________________ 25
Section2–Assessmentwithanswers(pp.35–48)• lines and angles _____________________________________ 35
• 2D shapes __________________________________________ 37
• transformation,tessellationandsymmetry _______________ 41
• 3D shapes __________________________________________ 45
Section3–Objectives(p.49)
SERIES TOPIC
1F 1Copyright © 3P Learning
Geometry
See if you understand these terms by completing this quick test. Draw:
Follow the instructions and fill in the missing information:
a Look at the horizontal line in the box below. Horizontal lines lie flatstandingup(tickonebox).WecallthelineABasitstartsatAandendsatB.
b Draw a 5 cm verticallineupfrompointA.WhatkindofangleisformedbythetwolinesatA? ______________
c Whentwolinesmeetinsuchanangle,wesaythatthey’reperpendicular to eachother.Drawanother5cmlineupfromB.IsthislineperpendiculartolineABaswell? ______________
d NowlookatlinesACandBD.Aretheyperpendicularorparalleltoeachother? ______________
e Ifyousaidparallel,you’dberight.Parallellinesarealwaysthesamedistanceawayfromeachotherat any point and can never meet.
f DrawalinethatisparalleltolineABbyjoiningCD.
g Curves can also be parallel. Draw 2 parallel curves in the shape.
Whenweclassifylinesweusetermssuchasparallel,perpendicular,verticalandhorizontal.Knowing these terms makes it easier for us to understand and work with shapes.
Lines and angles – lines
1
2
A B
C D
a 2 parallel lines b 2 lines perpendicular to each other
c a horizontal line d averticalline
right angle
yes
parallel
SERIES TOPIC
F 12Copyright © 3P Learning
Geometry
A circle is a full turn and is 360°. Think of it as a clock – from 12:00 round to 12:00. Copy this page and then cut out the circle below and try the following:
a Fold the circle in half. How many degrees are in a half circle? ___________________
b Fold it in half again. You now have a quarter circle. How many degrees are in a quarter of a circle? ___________________
c Fold it in half once more. You have an eighth of a circle. How many degreesare in one eighth of a circle? ___________________
What is an angle?Look at where these two lines meet. The angle is the amount of space betweenwheretheyjoin.It’salsotheamountofturnbetweenthem.
Ifweimaginethatthesetwolinesarejoinedattheirmeetingpoint,wecouldrotatethelinesaroundthispoint.They’llstayjoinedbut the amount of turn will change.
We measure angles using degrees – the symbol for this is °. We use a protractor as our measuring tool.
Lines and angles – lines
3
FOLDFOLD
FOLD
FOLD
FOLD
FOLD
FOLD
FOLD
copy
180o
90o
45o
SERIES TOPIC
3F 1Copyright © 3P Learning
Geometry
Draw the other line to create an angle that is:
Wally the work experience boy made some mistakes labelling these angles. Correct any mistakes you see.
Label each of these angles as right, acute or obtuse:
Lines and angles – introducing angles
Whenanangleislessthanaquarterturnof90°wesayit’sacute.Whenit’sexactly90°wesayit’saright angle. Whenit’sbetween90°and180°wesayit’sobtuse.Whenit’sexactly180°wesayit’sastraight angle.Whenit’smorethan180°wesayit’sareflex angle.
We use an arc toshowwherewe’remeasuring.
Withrightangles,weuseasquaresymbollikethis .
90°
270°
180° 360°0°
1
a
angle
d
angle
b
angle
e
angle
c
angle
f
angle
a
angle
b
angle
c
angle
d
angle
2
3
obtuse straight reflex acute
a
acute
b
right
c
obtuse
Remember to mark your angles with or !
acute
obtuse
right
acute
obtuse
acute
reflex acute obtuse
SERIES TOPIC
F 14Copyright © 3P Learning
Geometry
Use a protractor to measure all of these marked angles. Write the answers in the angles:
Sometimesweneedtobemoreprecisewhennamingangles,insteadofjustusingtermssuchasacuteorobtuse. This is where a protractor comes in handy. To measure an angle using a protractor we:lfitthebaselineoftheprotractortoonelineoftheangle,liningupthecentrepointof the protractor with the vertex of the angle
l look where the other line intersects the numbers,makingsurewereadroundfrom0°.
Lines and angles – measuring angles
baseline centre point
This is an angle of50°
50°
0°
1
____°
____°
____°
____°
____°
____°
____°
____°
____°
___°
____° ____°
____°
____°
____°
____°
____°
____°
____°
225o
80
100
120
120
120 120
105
70
75
90
90
90
90
115
130
120
120
100
80
SERIES TOPIC
5F 1Copyright © 3P Learning
Geometry
Can you think of a way to measure the exterior angles of these 2 figures? Maybe a full (360°) protractor would help or is there another way to calculate that outside angle without actually measuring it? What else could you measure?
Lines and angles – measuring angles
Use a protractor to complete these angles. One line is drawn for you. You need to measure and draw the other line. Draw it about the same length as the other line. Mark the angles with the measurements.
2
3
a
45°
d
110°
b
60°
e
10°
c
90°
______°
______°
Line the middle of your protractor up with the dot at the end of the line.
When we talk about measuring angles we usually mean the interior angle. We can also measure the exterior angle – the one on the outside.
How many degrees in a full turn? How could this help me?
35°
325
270
SERIES TOPIC
F 16Copyright © 3P Learning
Geometry
What to do next
What to do
Iftheminutehandmoves180°,howmanydegreeshasthehourhand‘passed’?
Usetheclockstocalculatehowmanydegreeshave‘passed’betweentheminutehands:
a
b
c
Time passes investigate
Nowconsiderthehourhands–howmanydegreeshave‘passed’betweenthe 2 hour hands?
a
b
________°
________°
________°
________°
________°
Getting ready Inthisactivityyouwillmeasurethepassingoftimenot
inminutesandhours,butindegrees.
You can work with a partner and you may like to use a clockface with movable hands to help you work out the answers.
How many degrees are there in an hour? How many degrees are there in 5 minutes?
60
120
180
60
330
15o
SERIES TOPIC
7FCopyright © 3P Learning
Geometry 2
Look at these polygons. Are they regular or irregular? Label them. You may use a ruler and a protractor to help you make your decision.
Use the rules and examples in the box above to decide if the following shapes are polygons. Circle the polygons:
2D shapes – polygons
Apolygonisa2D(flat)shapewith3ormorestraightsides.ThewordcomesfromtheGreekwords,poly and gonia,meaningmanyangles.Allpolygonsareclosed–theyhavenobreakintheirboundaries.Theyhavenocurvedsides.
These are polygons. These are not polygons.
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2
Polygonscanberegularorirregular.Regular polygons have all sides of equal length and all angles of equal size. Irregularpolygonshavesidesofunequallengthandanglesofunequalsize.Sometimeswecanthinkirregularshapesarenot‘proper’astheylookdifferenttothemorecommonones. These shapes are both hexagons because they both have six sides – but one is regular and one is irregular .
a _____________
b __________
c _____________
d __________
f _____________e __________
Do any of your answers surprise you? Why do you think this is?
regular
regular irregular
irregular
irregular
regular
SERIES TOPIC
F8Copyright © 3P Learning
Geometry2
What have you called the 4 sided shape? Compare your answer with those of 3 others. Do they agree with you? Why might there be differences?
2D shapes – polygons
Polygons are classified and named differently depending upon their sides and angles. Label and draw at least one example of each of the following. Remember they don’t have to be regular. Research the names of any you don’t know:
a 3 angles and 3 sides _________________ b 4anglesand4sides _________________
c 5 angles and 5 sides _________________ d 6 angles and 6 sides _________________
e 7 angles and 7 sides _________________ f 8anglesand8sides _________________
g 9anglesand9sides _________________ h 10anglesand10sides ________________
i 11 angles and 11 sides _________________ j 12 angles and 12 sides ________________
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3
triangle quadrilateral
hexagonpentagon
octagonheptagon
decagonnonagon
dodecagonhendecagon
Answers will vary and may include: square, rectangle, quadrilateral, rhombus, kite and arrowhead.
SERIES TOPIC
9FCopyright © 3P Learning
Geometry 2
Use the information above and the dot paper below to create a square, a rectangle, a rhombus and a trapezium. Check them against the criteria. Do they match? Swap with a partner and label each other’s shapes.
Aquadrilateralisakindofpolygon.It’saclosed,flatshapewith4straightsidesand4angles. ThenamecomesfromtheLatin,quad and latus,meaning4sides.Oneofthethingsthatcanbeconfusingaboutquadrilateralsisthatthereareanumberofclassifications,andshapescanbecalleddifferentnames.Thisishowtheyallfittogether:
SoasquareisakindofrhombusANDarectangleANDaparallelogramANDaquadrilateralAND apolygon.It’skindoflikeaGardener’sDelightisacherrytomatoANDatomatoANDafruitAND isconsideredavegetableANDisafood.
2D shapes – quadrilaterals
quadrilateral4sidesand4angles
polygonclosed shape with straight sides
squareall angles are right angles
all sides are equal
trapeziumhas 1 pair of parallel sides
parallelogramhas 2 pairs of parallel sides
irregularhas no parallel sides
kiterectangleall angles are right angles
opposite sides are equal and parallel
rhombusall sides are equal
opposite sides are parallel opposite angles are equal
arrowhead
1
square
trapezium
rhombus
rectangle
SERIES TOPIC
F10Copyright © 3P Learning
Geometry2
2D shapes – quadrilaterals
Use the information below to draw the following quadrilaterals. Check your drawings with other pupils. Do they agree with you? Is it possible your drawings may be different and still correct? Why?
As well as always having 4 sides, quadrilaterals have one other feature in common. Use a protractor to carefully measure the angles of these quadrilaterals. Add the 4 angles of each shape together. What do you find?
a The angles of a quadrilateral always add to __________________________.
b Find4morequadrilateralsaroundtheroomandtestoutthetheory.
a Ihave4sidesofequallength.Ihave4equalangles.They’reallrightangles. Ifyoudrawmydiagonals,thelinesform right angles where they intersect.
I’ma_________________________________
b SometimesI’mcalledanoblong.Ihave4sides. My opposite sides are equal. Ifyoudrawmydiagonals,theanglesoppositeeachotherattheintersectionareequal.
I’ma_________________________________
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2
c Ihave2pairsofequalsides.My opposite sides are equal in length. My opposite angles are equal. Noneofmyanglesare90o.
I’ma_________________________________
d SometimesI’mknownasatrapezoid.Ihaveonepairofoppositeparallellines.
I’ma_________________________________
360 o
square
rhombus
rectangle
trapezium
SERIES TOPIC
11FCopyright © 3P Learning
Geometry 2
What do you notice about the relationship between the angles and the sides of a triangle? (This is always the case. They’re a consequence of each other.)
What do you notice? Complete the following statements:
a Isoscelestriangleshave_________equalangles.
b Equilateral triangles have _________ equal angles.
c Scalene triangles have _________ equal angles.
Now measure the lengths of the sides. Mark any lines that are the same length in a triangle with a little line. The first triangle has been marked for you in Question 1. What do you notice? Complete the following statements:
a Isoscelestriangleshave_________equalsides.
b Equilateral triangles have _________ equal sides.
c Scalene triangles have _________ equal sides.
Triangles are classified into the 3 different groups depending upon their angles. Below is an example of each group. Use a protractor to measure the angles of the triangles. Mark any angles that are the same in a triangle with an arc. The first triangle has been done for you.
2D shapes – triangles
Atriangleisatypeofpolygon.Ithasthreesidesandthreeangles.Thethreeinterioranglesalwaysaddto180°.Herearethe3maintypesoftriangles:
isosceles equilateral scalene
isosceles equilateral scalene
1
3
2
4
60o
85o
60o 35o60o 60o
2
2
3
3
0
0
The number of equal angles is the same as the number of equal sides.
SERIES TOPIC
F12Copyright © 3P Learning
Geometry2
Using a protractor to help you, draw an example of a right angled, equilateral, isosceles and scalene triangle below. Don’t label them or mark the angles or sides as equal. Switch papers with a partner and measure and label each other’s triangles. Switch back and check.
Measure the sides of both triangles to the nearest 12 cm and mark any equal sides.
a Basedonyourmeasurements,canrightangledtrianglesbeeitherisoscelesorscalene? ____________
b Can they be equilateral? Why or why not?
____________________________________________________________________________________
____________________________________________________________________________________
Thereisanothertypeoftriangleyouwillcomeacross.It’scalledtherightangledtriangle.Lookatthese examples. How many degrees are the marked angles? What symbol tells you this?
2D shapes – triangles
6
5
Since same sides equal same angles, I just have to make sure the sides are equal! The angles will follow.
Yes
No. Because in an equilateral triangle, each angle is always 60o.
Answers will vary.
SERIES TOPIC
13FCopyright © 3P Learning
Geometry 2
2D shapes – circles
Acircleisalsoa2Dshape.It’saclosedcurvethathasallofitspointsafixeddistancefromthecentre. Lateron,youwilllearnabouttheformalmathsofcircles–they’remorecomplexthantheylook!Rightnow,it’simportanttorecognisethedifferentpartsandtoexploretherelationshipsbetweenthe parts.
centre – this is the point in the middle
radius – the distance from thecentretothecircle’sedge
diameter – the distance from the edge of a circle through the middle to the opposite edge
circumference – the distance around the circle
arc – part of the circumference
sector–a‘slice’ofthecircle
Below are some circles. Each radius is marked.
a Extend the radius through the midpoint to the opposite edge of each circle. You have now marked the diameters.
b The diameter of each circle is twice its radius. Write the diameter of each circle in the boxes above.
1
diameter diameter diameter
2 cm1 cm
112 cm
4 cm 2 cm 3 cm
SERIES TOPIC
F14Copyright © 3P Learning
Geometry2
What to do next
What to do Readthequestionsbelowandchoosethe10questionsyouthinkwillscoreyou
thehighestnumberofpoints.Onceyou’vedecidedonyourquestions,tickthem.They’renowlockedin.
Onceyouandyourpartnerhavebothfinished,askyourteacherorthedesignatedcheckertocheckyouranswers.AsGameMaster,theirdecisionisfinal.Whowon?
Circle sense apply
You’llplaythisgamewithapartner.You’lleachneedacopyofthispageanditmaypaytostudytheinformationonthepreviouspage.Theaimistoscorethehighestnumberofpointsyoucanbyanswering10questions.Theharderquestionsscoremorepointsbutofcourse,thereisagreaterriskofgettingthemwrong!
Playagainchoosingdifferentquestions.Youcanreuseaquestionifyougotitwrongbutnotifyouanswereditcorrectlythefirsttime.Ifyourunoutofquestions,designsome of your own.
What is the distance around a circle called? ................................................................... __________________
What is the name given to a small part of the distance around a circle? ....................... __________________
Name the distance from the centre of a circle to its edge. ............................................. __________________
What is the distance from the edge of a circle through the middle to the opposite edge called? ............................................................................................... __________________
What is the point in the middle of a circle called? .......................................................... __________________
What do we call a slice of a circle? ................................................................................. __________________
Namea3Dobjectthatiscircular. .................................................................................... __________________
FOR 5 POINTS
Istheradiusofacircletwiceitsdiameter? ..................................................................... __________________
Everypartofacircle’scircumferenceisanequaldistancefromitscentre. Isthisstatementcorrect? ................................................................................................ __________________
Namea3Dobjectthatwouldn’tworkifitwasn’tcircularandexplainwhy. ___________________________
Isacircleapolygon?Whyorwhynot? ________________________________________________________
Anothernameforthecircumferenceofacircleisitsperimeter.Isthisstatementcorrect? .. __________________
Acirclebelongstothequadrilateralfamily.Isthisstatementcorrect? .......................... __________________
Ifacirclehasadiameterof10cm,whatisitsradius? .................................................... __________________
Thecircumferenceofacircleistwiceitsradius.Isthisstatementcorrect? ................... __________________
Ifacirclehasaradiusof15cm,whatisitsdiameter? .................................................... __________________
FOR 10 POINTS
Getting ready
circumference
arc
radius
centre
diameter
sector
ball
No
Yes
Yes
No
5 cm
No
30 cm
No. A polygon has straight sides.
A ball wouldn’t roll.
SERIES TOPIC
15FCopyright © 3P Learning
Geometry 2
What to do Recordyourfindingsinthetable.Doyouseeanypatterns?
Shape Number of sides Number of triangles Sum of angles
square
pentagon
hexagon
octagon
decagon
dodecagon
How many triangles? investigate
Usetheshapesbelow.Yourtaskistosectioneachshapeintotriangles. Your lines must go from corner (vertex) to corner and can’tcrossovereachother.
Getting ready
How can I work out the sum of all the angles? Well, I know that all triangles have an angle sum of 180˚ so I can add how many triangles I have …
4
5
6
8
10
12
2
3
4
6
8
10
360o
540o
720o
1 080o
1 440o
1 800o
SERIES TOPIC
F16Copyright © 3P Learning
Geometry3
Transformation, tessellation and symmetry – symmetry
What do you notice about lines of symmetry in regular polygons?
Find and mark any lines of symmetry on these regular polygons. These can be vertical, horizontal or diagonal. If it’s easier, cut out copies of the shapes and fold them to test them.
a Asquarehas_____linesofsymmetry. b Anequilateraltrianglehas_____linesofsymmetry.
c Anoctagonhas_____linesofsymmetry. d Ahexagonhas_____linesofsymmetry.
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2
Reflectiveorlinesymmetrydescribesmirrorimage,whenonehalfofashapeorpicturematchesthe other exactly. The middle line that divides the two halves is called the line of symmetry.Shapes may have: more than no line of symmetry one line of symmetry one line of symmetry
4 3
68
A regular polygon has the same number of lines of symmetry as it has sides.
SERIES TOPIC
17FCopyright © 3P Learning
Geometry 3
Compare your list with that of another group. Do they agree? If there are any letters you disagree on, present your cases to each other and see if you can reach a consensus.
Transformation, tessellation and symmetry – symmetry
Look at these letters of the alphabet. Work with a partner to decide which ones have lines of symmetry when written in this font. Which ones have more than one? Which ones have none? Record them in the table below:
3
4
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Vertical line of symmetry
Horizontal line of symmetry
More than one line of symmetry
No lines of symmetry
A
H
I
M
O
T
U
V
W
X
Y
B
C
D
E
H
I
K
O
X
H
I
O
X
F
G
J
L
N
P
Q
R
S
Z
Answers will vary.
SERIES TOPIC
F18Copyright © 3P Learning
Geometry3
Colour the other half of these pictures so that they’re symmetrical:
Using the vertical line as the line of symmetry, draw the mirror image in the top right square. Now reflect the picture on the other side of the horizontal line of symmetry.
Transformation, tessellation and symmetry – symmetry
These shapes are called pentominoes. Some have lines of symmetry. Draw them in. The first one has been done for you.
5
7
6
HINT: A small mirror on the line of symmetry will help.
We humans like symmetry.People who are considered beautiful usually have symmetrical faces.Top racehorses are very symmetrical too – this helps them run smoothly and fast!
SERIES TOPIC
19FCopyright © 3P Learning
Geometry 3
Transform these letters:
Look at this trapezium. Flip it in your head and then record what it looks like. Then turn it 180˚ clockwise (a half turn) in your head and record what it looks like now. Turn it another 90˚ clockwise (a quarter turn) and record.
What has been done to this tile? Describe each transformation as either a flip, slide or turn:
Transformation, tessellation and symmetry – transformation
Whenwemoveashape,wetransformit.Thistileshowsthreewayswecandothis:
Whenwe’reaskedtoflip,slideorturn,ithelpstovisualisethemoveinourheads.
reflect(flip)
translate(slide)
rotate(turn)
1
3
2
a
turn90°clockwise
d
flip
b
flip
e
flip
c
slide
f
turn180°
T
N
H
Q
J
W
slide slideturn turnflip flip
H
Q
T
N
J
W
SERIES TOPIC
F20Copyright © 3P Learning
Geometry3
Rotate each shape and record the new position. Starting from the original position each time, rotate each shape by a quarter turn, half turn, three quarter and full turn and record each new position.
a
b
c
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
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� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
Thesearecommonrotations:
original quarter turn half turn three quarter turn full turn position 90˚ 180˚ 270˚ 360˚
Whatdoyounoticeaboutafullturn?
Transformation, tessellation and symmetry – transformation
4
5
Think of the name of a capital city somewhere in the world. Disguise its name by choosing to either flip, slide or turn each capital letter. Ask a partner to decode it. For example, PARIS could be disguised as .
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
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� � � � � � � � � � � � � � � � � � � � � � � � � � �
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� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
Answers will vary.
SERIES TOPIC
21FCopyright © 3P Learning
Geometry 3
Use pattern blocks to find shape pairs that tessellate. Record them here. How many can you find? Here’s one to get you started:
b Whichofthe3regularpolygonstessellatedwithoutflippingorturning? __________________________
c Whichregularpolygonsdoyouneedtofliporturntogetthemtotessellate?
____________________________________________________________________________________
We bet you’ve been tessellating with pattern blocks since you were a little kid. Now we want you to work out which shapes tessellate and which don’t.
a Workwithapartnerandusepatternblockstofind3regularpolygonsthattessellateontheirown.Remember,aregularpolygonhassidesofequallength.Recordyourproofbelow:
TessellationcomesfromtheGreekword,tessere,whichmeanssquaretablet.Itmeanscoveringasurfacewithapatternof2Dshapeswithnogapsorspaces.Whenwetessellateashape,weoftenfliporturntheshapessothattheyfittogether.Someshapeswilltessellateontheirown.Wecallthisregulartessellation.Someshapestessellatewhenyouuse2shapesinthepattern.Wecallthissemi-regulartessellation.Tessellationiscloselylinkedwithart.Mosaics,patchworkandpavingusetessellation.Canyouthink of others?
Transformation, tessellation and symmetry – tessellation
1
2
square
triangle and hexagon
hexagons and triangles
squares and triangles
octagons and triangles
octagons and squares
SERIES TOPIC
F22Copyright © 3P Learning
Geometry3
Tessellations usually involve creating a pattern and repeating it over and over. A famous mathematician named Roger Penrose was obsessed with finding a tessellation that was created without repeating any large patterns. It took him a while but he got there. It’s often called “Kites and Darts” as the two parallelograms in the pattern resemble these.Colour the pattern in colours of your choice on the right to recreate his discovery. While you’re doing that, check – can you see any large repeated patterns?
Transformation, tessellation and symmetry – tessellation
It’s said that all quadrilaterals tessellate. Is this true? Work with a partner to test this theory out. Use blocks or tessellation shapes such as those below. Record your findings below then tick the ones that tessellate once you know:
3
5
4 Do you agree with the statement that all quadrilaterals tessellate? Why or why not?
Answers will vary.
Yes– all will tessellate.
SERIES TOPIC
23FCopyright © 3P Learning
Geometry 3
What to do Recreateoneofthedesignsbelowbyrulingovercertainlines.Pickacolourscheme
and complete your design.
Tessellate and create create
Manyculturesandartstylesusetessellationsasabasisforcreatingintricateandbeautifulpatterns.Islamicartisonesuchartform.Lookattheexamplesbelow.
Getting ready
SERIES TOPIC
F24Copyright © 3P Learning
Geometry3
What to do
Dig it, Dr Jones create
You have 14 oftheplate.Youneedtofindawaytorecreatetherestofit.Howwill
youdothis?Wouldacompasshelp?Howwillyoufindtherightcentrepoint?
Then,useyourknowledgeofsymmetryandtessellationtocompletethedesign.
WhileworkingonanarchaeologicaldigwiththefamousDrJones,youcomeacross aportionofabeautifuloldplate.
DrJonesthinksitmaybe14 oftheLostPlateofIcarus,apricelessfind.Heasksyou
torecreatewhatyouthinktheentireplatemayhavelookedlike.
Getting ready
SERIES TOPIC
25FCopyright © 3P Learning
Geometry 4
2Dshapeshave2dimensions–widthandheight.They’reflat.
3Dshapeshave3dimensions–height,widthanddepth.Sometimeswecallthemsolids.Whenwedrawthem,weoftenshow themastransparentorasskeletonssowecan‘see’alltheirsides.3Dshapescanhaveallflatsides,allcurvedsides,oramixtureofboth.
Look at these 3D shapes. Which 2D shapes form their sides? If it helps, find the solids in your classroom and study them.
Have these questions been answered correctly? Correct any mistakes:
a How many surfaces does this shape have?
b Howmanyvertices?
c How many edges?
Study the shape and answer the following:
a How many surfaces does this shape have?
b Howmanyvertices?
c How many edges?
3D shapes – introduction
a This is made of:
____ squares
b This is made of:
2 ______________
4______________
c This is made of:
1 ______________
____ ___________
d This is made of:
____ ___________
____ triangles
height
height
width
width
depth
1
3
2
The 2D shapes are the surfaces of a 3D shape. The edge is where 2 surfaces meet. The point where 2 or more surfaces meet is called the vertex.Ifwe’retalkingaboutmorethanonevertex,wecallthem vertices.
6
12
8
squares6 1
54
rectangle
rectangles triangles
pentagon
4
4
6
8
12
SERIES TOPIC
F26Copyright © 3P Learning
Geometry4
Use classroom equipment such as geoshapes, polydrons or straws and plasticine to create 2 different prisms. Name them here and record how many vertices, edges and surfaces they have.
Count the number of sides on each grey face. Now count the number of rectangular faces each shape has. What do you notice?
Finish these prisms by ruling the missing edges. Name them according to their faces. The first one has been done for you.
3D shapes – polyhedrons
Some 3D shapes are polyhedrons. This means each surface is a polygon. The polyhedrons we most commonly come across are pyramids and prisms.
Prismshaveidenticalparallelfacesjoinedbyrectangles.Boxesareagoodexampleofprisms–have a look in your kitchen cupboard at home at the cereal and pasta boxes.Mostprismsarenamedaftertheirendfaces(e.g.rectangularprism,triangularprism).
a ________________ prism
b ________________ prism
c ________________ prism
d ________________ prism
1
2
3
cube or square
3D shapes
polyhedrons
pyramids otherprisms
rectangular triangular pentagonal
They’re the same.
Answers will vary.
SERIES TOPIC
27FCopyright © 3P Learning
Geometry 4
What kind of pyramids are these? Remember a pyramid is named after its base.
Pyramidshaveabasewith3ormorestraightsides.Theyhavetriangularfaceswhichmeetat apoint.They’renamedaftertheirbases.
What do you notice about the number of sides on the base and the number of triangular faces?
Pretend you’ve cut apart a hexagonal pyramid. Draw all its faces. What shape will the base be? How many triangular sides will you draw?
3D shapes – polyhedrons
a ________________ pyramid b ________________ pyramid c ________________ pyramid
4
5
6
7 What are 3 things pyramids and prisms have in common? What is something that makes them different?
hexagonal triangular rectangular
They’re the same.
Answers will vary and may include:
– Pyramids and prisms are made up of polygons/flat sides.
– Pyramids and prisms have angles, vertices and edges.
– Pyramids and prisms have straight edges.
– Pyramids have 1 point at the top, prisms don’t.
– The sides of a pyramid are triangular, prisms have rectangular sides.
Hexagon base
6 triangular faces
SERIES TOPIC
F28Copyright © 3P Learning
Geometry4
Many polyhedrons are named according to the number of faces they have. Colour match the information with the shape and the name. You may need to do some research! The first one has been done for you.
3D shapes – polyhedrons
Thereareotherkindsofpolyhedrons.They’realsomadeupofpolygonsandhavestraightsides,buttheydon’tfittherules for pyramids and prisms. Here are some examples:
Change these shapes so they’re still polyhedrons but no longer regular prisms or pyramids. Maybe you could draw in a dotted line to show a cut or add some extra faces.
Create a polyhedron out of polydrons or geoshapes. Count how many faces it has. Can you find out what it should be called?
8
9
10
3Dshapesdon’thavetoberegular.Theycanbemadeupofdifferentshapesandhaveanglesandsidesofdifferentsizes.
Thisisstillapolyhedron:Thisisstillapentagonalprism:
octahedron
tetrahedron
4faces,6edges,4vertices
dodecahedron
icosahedron
8faces,12edges,6vertices
12faces,30edges,20vertices
cube or hexahedron
6faces,12edges,8vertices
20faces,30edges,12vertices
*¤
¤
¤
◊
◊
◊
#
##
**
Answers will vary.
Possible answer: Answers
will vary.
SERIES TOPIC
29FCopyright © 3P Learning
Geometry 4
3D shapes – spheres, cones and cylinders
Anothergroupof3Dshapeshasoneormorecurvedsurfaces.Examplesincludespheres,conesand cylinders.
What am I? Use the clues to decide which shape I am:
a Ihave1curvedsurface.That’sit,Iliketokeepthingssimple. _____________________________
b Whenyoucutacrosssectionfromme,bothpartskeepthe same number of edges and surfaces. _____________________________
c Ihavenoverticesand3surfaces. _____________________________
d Ihave1edgeand2surfaces. _____________________________
Pretend you have to describe these shapes to someone who can’t see or feel them. Make sure you talk about their surfaces, their vertices and their edges and anything else you think would help them build a picture.
1
2
3
When we cut through a solid parallel to the base, we make a cross section.
a Draw how these shapes would look like in 2 pieces:
b Howhasthischangedthesphere?Explainthisintermsofsurfaces,edgesandvertices.
a b c
Answers will vary.
It now has 2 surfaces. One is flat. It has one edge and no vertices.
sphere
cube or retangular prism
cylinder
cone
SERIES TOPIC
F30Copyright © 3P Learning
Geometry4
Draw dotted lines to reveal missing edges, surfaces or vertices:
Draw some 3D shapes:
Use a ruler to join the bases of these pyramids with their points:
Whenwedraw3Dshapes,wecandrawdottedlines toshowthesurfaces,edgesandverticeswecan’tsee.
3D shapes – drawing 3D shapes
1
2
3
a
d
b
e
c
f
a b c d
If you draw lightly with a sharp pencil, you can rub mistakes out easily!
Answers will vary.
SERIES TOPIC
31FCopyright © 3P Learning
Geometry 4
Copy these irregular 3D shapes:
Use the dot paper to help you finish these shapes. We have helped you with the first one.
We can use dot paper or hexagonal grids to guide us when we draw 3D shapes.
3D shapes – drawing 3D shapes
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5
4
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
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a
c
e
b
d
f
a b c dcube rectangular prism
triangular prism
pentagonal prism
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
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a
c
e
b
d
f
SERIES TOPIC
F32Copyright © 3P Learning
Geometry4
Create a net for a cube. Cut it out and test it. Does it work?
Fold these nets in your head, join them to their shapes with a line and name them:
Anetisthepatternofa3Dshape,unfoldedandlaidflat.Youmayhavealreadyassembledafewduringyourschooling!Italsohelpsifyoucanfoldandunfoldtheminyourhead.
3D shapes – nets
2
1
_________________________
_________________________
_________________________
_________________________
copy
square pyramid
pentagonal pyramid
hexagonal prism
triangular prism
Answers will vary.
SERIES TOPIC
33FCopyright © 3P Learning
Geometry 4
What to do Colour match the correct parts. Your teacher has a list of the shapes if it would help
toknowwhichshapesyou’relookingfor.
2 halves make a whole … apply
Thenetsof5solidsarebelow–theproblemisthatthey’vebeenseparatedinto twoparts.Yourjobistomatchthepartscorrectly.Seeifyoucandoitinyourhead.Ifthisprovestoodifficult,youcancutthenetsoutandphysicallyjointhemtoformthe solid.
Getting ready
¤
¤
◊
◊
∆
∆
#
#
*
*
List of shapes: pentagonal prism,
cube, hexagonal pyramid, triangular pyramid,
triangular prism
SERIES TOPIC
F34Copyright © 3P Learning
Geometry4
What to do next
What to do
Tomb Raider investigate
You’retrappedinatombfarunderground.Thereare6keyzonesinthetomb.
PresentyourfindingstotheGuardianofPower(thatwouldbeyourteacher).Ifthey’recorrect,youmayescapescotfree.Ifnot?Well,onlytheyknowwhatpunishmentisinstore.Thereare28routesintotal.Foranextrachallenge,youcouldtryandfindthemall.
Toescape,youmustfind 10differentwaystogetfrom the ledge to the gold.
Record them below. We have given you one route to get you started: ledge coffin gold.
Getting ready
Answers will vary.
35Series F Topic 1 Assessment
Copyright © 3P Learning
a
55°
b
90°
c
110°
Lines and angles Name ____________________
Draw:
2
3
1
Draw an angle that is:
Label each of these angles as right, acute, reflex or obtuse:
a
angle
b
angle
c
angle
d
angle
Skills Not yet Kind of Got it
• Knowstermsparallel,perpendicular,horizontal,vertical
• Recognisesandlabelsacute,obtuse,rightangledandreflexangles
• Draws angles to 5o markers
a 2 parallel lines b 2 lines perpendicular to each other
c a horizontal line d averticalline
36 Series F Topic 1 Assessment
Copyright © 3P Learning
a
55°
b
90°
c
110°
Lines and angles Name ____________________
Draw:
2
3
1
Draw an angle that is:
Label each of these angles as right, acute, reflex or obtuse:
a
angle
b
angle
c
angle
d
angle
Skills Not yet Kind of Got it
• Knowstermsparallel,perpendicular,horizontal,vertical
• Recognisesandlabelsacute,obtuse,rightangledandreflexangles
• Draws angles to 5o markers
a 2 parallel lines b 2 lines perpendicular to each other
c a horizontal line d averticalline
reflex right obtuse acute
37
Copyright © 3P Learning
Series F Topic 2 Assessment
a b c d
2D shapes Name ____________________
Draw a line from the label to the correct triangle:
Look at the following two quadrilaterals. Name them and list their properties:
Circle the polygons:
2
3
4
1
Name these polygons:
equilateral triangleright angled triangleisosceles triangle scalene triangle
38
Copyright © 3P Learning
Series F Topic 2 Assessment
Label the following parts of the circles below:
a b
c d
Name and draw this mystery shape:Ihave4sides.Allofmyanglesareequal.Ifyoudrawinmydiagonals,thelinesformrightangleswhere they intersect.
If I drew a shape and the sum of the angles was 180˚, what shape could I have drawn? Draw it.
2D shapes Name ____________________
5
6
7
Skills Not yet Kind of Got it
• Recognises and names simple polygons
• Namespropertiesofsimplequadrilaterals
• Recognisesandnamesdifferenttypesoftriangles
• Namesdifferentpartsofcircles
• Usesknowledgeofshapepropertiestoidentifysimplepolygons
39
Copyright © 3P Learning
Series F Topic 2 Assessment
a b c d
2D shapes Name ____________________
Draw a line from the label to the correct triangle:
Look at the following two quadrilaterals. Name them and list their properties:
Circle the polygons:
2
3
4
1
Name these polygons:
equilateral triangleright angled triangleisosceles triangle scalene triangle
hexagon rectangle pentagon octagon
trapezium
4 straight sides.
1 pair parallel sides.
2 acute angles (equal).
2 obtuse angles (equal).
square
4 straight equal sides.
2 sets of parallel sides and all angles are right angles.
40
Copyright © 3P Learning
Series F Topic 2 Assessment
Name and draw this mystery shape:Ihave4sides.Allofmyanglesareequal.Ifyoudrawinmydiagonals,thelinesformrightangleswhere they intersect.
If I drew a shape and the sum of the angles was 180˚, what shape could I have drawn? Draw it.
2D shapes Name ____________________
5
6
7
Skills Not yet Kind of Got it
• Recognises and names simple polygons
• Namespropertiesofsimplequadrilaterals
• Recognisesandnamesdifferenttypesoftriangles
• Namesdifferentpartsofcircles
• Usesknowledgeofshapepropertiestoidentifysimplepolygons
Label the following parts of the circles below:
a b
c d
radius diameter
arc circumference
triangle
square
41
Copyright © 3P Learning
Series F Topic 3 Assessment
Transformation, tessellation and symmetry Name ____________________
Rotate this shape and record the new position. Do a quarter turn, half turn, three quarter and full turn.
Transform these letters:
Complete this picture so it’s symmetrical:
Draw the lines of symmetry on these shapes:
2
3
4
1
a b c
a
turn180°
d
flip
b
turn90°
e
flip
c
slide
f
turn180°
T
N
M
Q
L
Y
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� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � �
44
Copyright © 3P Learning
Series F Topic 3 Assessment
Which of these shapes tessellate on their own? Remember you can flip or turn them. Use the dot paper to help work this out. Colour any shapes that will tessellate and cross out the shapes that won’t.
Continue this tessellation across the page:
Transformation, tessellation and symmetry Name ____________________
What is tessellation? Pretend you’re explaining it to a younger pupil. What would you say and/or draw?
6
7
5
Skills Not yet Kind of Got it
• Identifiesanddrawslinesofsymmetry
• Visualisesandrepresentstransformations–flips,slides,turns
• Understandsanddescribestessellation
• Continuessimpletessellations
• Makesjudgmentsaboutwhichsimplepolygonswilltessellate
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
Answers will vary.
Answers will vary and may include:
45
Copyright © 3P Learning
Series F Topic 4 Assessment
3D shapes Name ____________________
Draw a line of cross section across this shape and then draw what the two pieces would look like if the shape was cut:
Label each of these 3D shapes:
Name this shape and list the properties. Make sure you identify how many edges, faces and vertices it has:
How are prisms and pyramids similar? How are they different? Explain using words and/or diagrams:
Name these 3D shapes:
2
3
5
4
1
a b c d
a b c
46
Copyright © 3P Learning
Series F Topic 4 Assessment
Draw in dotted lines to reveal the missing edges, sides and vertices of these shapes:
Complete these 3D shape drawings:
Draw lines to match the nets to the correct shape names:
3D shapes Name ____________________
What is a net? Explain it using words. (We mean the mathematical kind, not the catching butterflies kind.)
7
8
9
6
triangular prism triangular pyramid pentagonal prism
a b c
a b� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � � � � � � � � � � � � � �
Skills Not yet Kind of Got it
• Identifiesandnamessimplepolyhedrons
• Identifiespropertiesofasquarebasedpyramid,includingfaces,edgesandvertices
• Describessimilaritiesanddifferencesbetweenpyramidsandprisms
• Visualisesandrepresentscrosssectionsofpolygons
• Visualises and describes nets
• Sketches 3D models
47
Copyright © 3P Learning
Series F Topic 4 Assessment
3D shapes Name ____________________
Draw a line of cross section across this shape and then draw what the two pieces would look like if the shape was cut:
Label each of these 3D shapes:
Name this shape and list the properties. Make sure you identify how many edges, faces and vertices it has:
How are prisms and pyramids similar? How are they different? Explain using words and/or diagrams:
Name these 3D shapes:
2
3
5
4
1
a b c d
a b c
hexagonal pyramid
cube or hexahedron
Square based pyramid
– 1 square base
– 4 triangular faces
– 5 vertices
– 8 edges
– 5 faces
Answers will vary and may include:
Similiarities:
– straight edges
– 3D shapes
Differences:
– pyramids come to 1 point at the top
– prisms have 2 matching ends
– the faces of a pyramid are triangles, the faces of a prism are rectangles
triangular pyramid
rectangular prism
sphere cone cylinder
48
Copyright © 3P Learning
Series F Topic 4 Assessment
Draw in dotted lines to reveal the missing edges, sides and vertices of these shapes:
Complete these 3D shape drawings:
Draw lines to match the nets to the correct shape names:
3D shapes Name ____________________
What is a net? Explain it using words. (We mean the mathematical kind, not the catching butterflies kind.)
7
8
9
6
triangular prism triangular pyramid pentagonal prism
a b c
a b� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
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Usingandapplyingmathematics• explorepatterns,propertiesandrelationshipsandproposeageneralstatementinvolvingnumbersorshape;identifyexamplesforwhichthestatementistrueorfalse
Understanding shape• readandplotco-ordinatesinthefirstquadrant;recogniseparalleland
perpendicular lines in grids and shapes; use a set square and ruler to draw shapes with perpendicular or parallel sides
• estimate,drawandmeasureacuteandobtuseanglesusingananglemeasurerorprotractor to a suitable degree of accuracy; calculate angles in a straight line
Topic 22D Shapes
Usingandapplyingmathematics• explorepatterns,propertiesandrelationshipsandproposeageneralstatementinvolvingnumbersorshape;identifyexamplesforwhichthestatementistrueorfalse
Understanding shape• identify,visualiseanddescribepropertiesofrectangles,triangles,regularpolygonsand3Dsolids;useknowledgeofpropertiestodraw2Dshapesandidentifyanddraw nets of 3D shapes
• estimate,drawandmeasureacuteandobtuseanglesusingananglemeasurerorprotractor to a suitable degree of accuracy; calculate angles in a straight line
Topic 3Transformation, tessellation and symmetry
Usingandapplyingmathematics• explorepatterns,propertiesandrelationshipsandproposeageneralstatement
involvingnumbersorshape;identifyexamplesforwhichthestatementistrueorfalse
Understanding shape• completepatternswithuptotwolinesofsymmetryanddrawthepositionofa
shapeafterreflectionortranslation
Topic 4 3D Shapes
Usingandapplyingmathematics• explorepatterns,propertiesandrelationshipsandproposeageneralstatementinvolvingnumbersorshape;identifyexamplesforwhichthestatementistrueorfalse
Understanding shape• identify,visualiseanddescribepropertiesofrectangles,triangles,regularpolygonsand3Dsolids;useknowledgeofpropertiestodraw2Dshapesandidentifyanddraw nets of 3D shapes