Slide 1 / 242 - NJCTLcontent.njctl.org/courses/math/1st-grade/geometry/unit-9...2015/11/30 ·...
Transcript of Slide 1 / 242 - NJCTLcontent.njctl.org/courses/math/1st-grade/geometry/unit-9...2015/11/30 ·...
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Table of Contents2 Dimensional ShapesSides and CornersOpen and Closed Shapes
Sorting by Attributes
Composite ShapesOrientationFaces and CornersRectangular Prisms & Cubes
Cones, Cylinders & Spheres
Introduction to FractionsHalvesFourthsReview of Fractions
Review of 3-D Shapes
Click togo to topic
Lab: Shape Fun
Lab: Building Shapes
Lab: I Can Find a Shape Like That
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Standards for Mathematical Practices
MP 8 Look for and express regularity in repeated reasoning.
MP 1 Make sense of problems and persevere in solving them.
MP 2 Reason abstractly and quantitatively.
MP 3 Construct viable arguments and critique the reasoning of others.
MP 4 Model with mathematics.
MP 5 Use appropriate tools strategically.
MP 6 Attend to precision.
MP 7 Look for and make use of structure.
Click on each standard to bring you to an example of how to meet
this standard within the unit.
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A 2D shape is flat and has 2 dimensions (height & width). All of the shapes below are 2D shapes.
Click here for a song about shapes.
2D Shapes
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What objects can you find in our classroom that are shaped like a circle?
2D ShapesI am a circle. I am round and I have no sides or edges. My center point is the same distance as any point on
the outer curve.
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What objects can you find in our classroom that are shaped like a rectangle?
2D Shapes
I am a rectangle. I have four straight sides and four right corners. My opposite sides are
always equal.
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I am a special type of rectangle. I am called a square.I have 4 equal sides and four corners.
What objects can you find in our classroom that are shaped like a square?
2D Shapes
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Are both of these shapes rectangles?
2D Shapes
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Are both of these shapes rectangles?
2D Shapes
[This object is a pull tab]
Mat
h Pr
actic
eMP 3 Construct viable
arguments and critique the reasoning of others.
Have students discuss attributes of a rectangle and
decide if both shapes are rectangles or not. Then give
time for students to share their opinions.
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What objects can you find in our classroom that are shaped like a triangle?
2D ShapesI am a triangle. I have three straight sides and three corners.
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What objects can you find in our classroom that are shaped like a hexagon?
2D ShapesI am a hexagon. I have six straight sides and six corners.
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I am a trapezoid. I have 4 sides and 4 corners. The top is shorter than the bottom.
What objects can you find in our classroom that are shaped like a trapezoid?
2D Shapes
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What other flat (2D) shapes do you know?
2D Shapes
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Cross out all the circles.Circle all of squares.
Color the triangles red.Color the trapezoids blue.
Color the rectangles green.Color the hexagons black.
2D Shapes
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Shape Pictures
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Shape Pictures
[This object is a pull tab]
Teac
her N
otes
Discuss shapes the students see in the picture. Relate this to how shapes are in our real
world. Have students use pattern blocks to make a
design with the blocks and then trace it onto paper. Have
another student name the shapes they see in the
picture.
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Click here for a fun game that has the children search pictures for hidden
shapes.
Hidden Shapes
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1 Is this shape a square?
Yes
No
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1 Is this shape a square?
Yes
No
[This object is a pull tab]
Ans
wer
No
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2 Is this shape a triangle?
Yes
No
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2 Is this shape a triangle?
Yes
No
[This object is a pull tab]
Ans
wer
No
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3 What is the name of this shape?
A square
B rectangle
C trapezoid
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3 What is the name of this shape?
A square
B rectangle
C trapezoid
[This object is a pull tab]
Ans
wer
A
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4 What is the name of this shape?
A circleB triangleC trapezoid
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4 What is the name of this shape?
A circleB triangleC trapezoid
[This object is a pull tab]
Ans
wer
AC
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5 How many circles do you see?
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5 How many circles do you see?
[This object is a pull tab]
Ans
wer
3
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A side is one of the lines that make a shape.Sides
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How many sides does each shape have?
Rhombus Pentagon
Sides
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Can you count the sides?
Triangle Trapezoid
Sides
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How many sides?
Hexagon Square
Sides
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A shape can have curved or straight lines
Curved
Straight
Sides
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Put an X on the shapes with curved sides.
Sides
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Circle the shapes with straight sides.Sides
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A corner is the point where two sides meet. It can also be called a vertex.
Corners
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How many corners does each shape have?
Rhombus Pentagon
Corners
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Count the vertices.
Triangle Trapezoid
Corners
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How many corners?
Hexagon Square
Corners
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Square
I am made with straight lines.I have 4 corners.I have 4 sides.
All my sides are equal.What am I?
Name The Shape
?
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Square
I am made with straight lines.I have 4 corners.I have 4 sides.
All my sides are equal.What am I?
Name The Shape
? [This object is a pull tab]
Teac
her N
otes
Click on the ? to reveal the correct shape.
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triangle
I am made with straight lines.I have three sides.
I have three vertices.What am I?
?
Name The Shape
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Circle
I am made with curved lines.I do not have corners or sides.
I am round.What am I?
?
Name The Shape
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rectangle
I am made with straight lines.I have 4 sides and 4 vertices.
I have 2 long sides and 2 short sides.What am I?
?
Name The Shape
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HEXAGON
I am made with straight lines.I have 6 sides and 6 corners.
What am I?
?
Name The Shape
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What is similar about the sides of a trapezoid and a rhombus?
Class Discussion
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What is similar about the sides of a trapezoid and a rhombus?
Class Discussion
[This object is a pull tab]
Mat
h Pr
actic
e
MP 7: Look for and make use of structure.
Encourage students to talk with a partner about
what is the same (4 sides, straight sides, they both have sides that slant).
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6 How many sides does a square have?
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6 How many sides does a square have?
[This object is a pull tab]
Ans
wer
4
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7 Does a circle have curved or straight sides?
A Curved
B Straight
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7 Does a circle have curved or straight sides?
A Curved
B Straight
[This object is a pull tab]
Ans
wer
A
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8 Does a rectangle have 3 corners?
Yes
No
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8 Does a rectangle have 3 corners?
Yes
No
[This object is a pull tab]
Ans
wer
No
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9 How many corners does a trapezoid have?
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9 How many corners does a trapezoid have?
[This object is a pull tab]
Ans
wer
4
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10 How many sides does a triangle have?
A 2B 3C 4
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10 How many sides does a triangle have?
A 2B 3C 4
[This object is a pull tab]
Ans
wer
B
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2D shapes can be open or closed.If a shape is open, two or more of the sides do not meet.
If a shape is closed, all of the sides meet.
Open Closed
Open or Closed
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Open and closed shapes can have both curved and straight sides.
Open or Closed
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Is this shape open or closed?Explain why.
How could we make it closed?
Open or Closed
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Draw an open shape with 3 straight sides.
Open
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Draw an open shape with 3 straight sides.
Open
[This object is a pull tab]
Mat
h Pr
actic
e
MP 4 Model with mathematics.
Have a volunteer come to the board and draw the shape.
Then ask for another volunteer to come make the shape
closed.
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Draw a closed shape with 6 sides.
Closed
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Draw a closed shape with curved sides.
Closed
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Put a red X on the open shapes.Put a green O around the closed shapes.
Open or Closed
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11 This shape is closed.
True
False
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11 This shape is closed.
True
False
[This object is a pull tab]
Ans
wer
True
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12 Karen said this shape is open. Is she correct?
Yes
No
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12 Karen said this shape is open. Is she correct?
Yes
No
[This object is a pull tab]
Ans
wer
No
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13 Sue saw an open shape while driving in the car. Which shape did she see?
A
B
C
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13 Sue saw an open shape while driving in the car. Which shape did she see?
A
B
C[This object is a pull tab]
Ans
wer
B
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14 Which two shapes are closed?
A
B
C
D
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14 Which two shapes are closed?
A
B
C
D[This object is a pull tab]
Ans
wer
B & D
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15 Is this shape open?
Yes
No
Quiz
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15 Is this shape open?
Yes
No
Quiz
[This object is a pull tab]
Ans
wer
Yes
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Lab: I Can Find a Shape Like That
Click here for complete directions
This active game allows young learners to explore their environment and to discover that shapes that are
all around them.
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Sorting means putting things into groups that have similar characteristics. These characteristics are called attributes. You can sort by different rules:
size
shape
color
Sorting
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Small Large
Sorting by Size
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Circle RectangleSquare Triangle
Sorting by Shape
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Red Yellow Blue
Sorting by Color
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Sort the shapes by their size
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Sort the shapes by their shape
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Is there any other way to sort the shapes?
Sorting
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Is there any other way to sort the shapes?
Sorting
[This object is a pull tab]
Mat
h Pr
actic
e
MP 1 Make of problems and persevere in solving them.
Give the students time to share other ways to sort the
shapes; the number of sides, the number of
corners, etc. Allow students to come to the board and
move the shapes.
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We can make patterns using different attributes.
Color pattern:
Shape pattern:
Size pattern:
Sorting Patterns
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We can make patterns using different attributes.
Color pattern:
Shape pattern:
Size pattern:
Sorting Patterns
[This object is a pull tab]
Teac
her N
otes
Discuss the different patterns. Show students how each pattern only focuses on
one attribute. If you feel that the students are ready you
may wish to develop patterns based on two attributes.
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16 John sorted his blocks. Jimmy told him he liked how he sorted them by their color. Is Jimmy correct?
Yes
No
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16 John sorted his blocks. Jimmy told him he liked how he sorted them by their color. Is Jimmy correct?
Yes
No
[This object is a pull tab]
Ans
wer
No
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17 These shapes are shorted by which attribute?A colorB shapeC size
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17 These shapes are shorted by which attribute?A colorB shapeC size
[This object is a pull tab]
Ans
wer
C
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18 Kim sorted her blocks. Which attribute did she sort by?A colorB shapeC size
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18 Kim sorted her blocks. Which attribute did she sort by?A colorB shapeC size
[This object is a pull tab]
Ans
wer
A
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19 These shapes are shorted by which attribute?
A colorB shapeC size
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19 These shapes are shorted by which attribute?
A colorB shapeC size
[This object is a pull tab]
Ans
wer
B
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20 This pattern follows which attribute?
Quiz
A colorB shapeC size
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20 This pattern follows which attribute?
Quiz
A colorB shapeC size
[This object is a pull tab]
Ans
wer
B
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Lab: Shape Fun
Have you ever seen randomly shaped pieces of wood and wondered how they could be used? Well, young children find geometry an exciting topic. Even with
random pieces, there are many ways to investigate and discover geometric shapes.
Click here for complete directions.
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You can use shapes to build new shapes.
Which small shape do you see?What is the larger shape?
Composite Shapes
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You can use shapes to build new shapes.
Which small shape do you see?What is the larger shape?
Composite Shapes
[This object is a pull tab]
Teac
her N
otes
Pass out pattern blocks for the students to use during the
next few slides.
This site also has pattern blocks that you can slide
around. http://www.mathplayground.com/
patternblocks.html
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Slide 85 / 242
Use your pattern blocks to arrange three triangles to make a trapezoid.
Composite Shapes
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Slide 85 (Answer) / 242
Use your pattern blocks to arrange three triangles to make a trapezoid.
Composite Shapes
[This object is a pull tab]
Teac
her N
otes The triangle is cloned to click
and drag onto the trapezoid. Allow students time to try it on
they own at their desk and then demonstrate it on the board.
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Slide 86 / 242
How many trapezoids did you use?
Composite Shapes
Use your pattern blocks to arrange trapezoids to make a hexagon.
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Slide 86 (Answer) / 242
How many trapezoids did you use?
Composite Shapes
Use your pattern blocks to arrange trapezoids to make a hexagon.
[This object is a pull tab]
Teac
her N
otes The trapezoid is cloned to click
and drag onto the hexagon. Allow students time to try it on
they own at their desk and then demonstrate it on the board.
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Slide 87 / 242
Use your pattern blocks to arrange triangles to make a rhombus.
How many triangles did you use?
Composite Shapes
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Slide 87 (Answer) / 242
Use your pattern blocks to arrange triangles to make a rhombus.
How many triangles did you use?
Composite Shapes
[This object is a pull tab]
Teac
her N
otes
The triangle is cloned to click and drag onto the rhombus. Allow
students time to try it on they own at their desk and then demonstrate
it on the board.
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Slide 88 / 242
Use your pattern blocks to arrange rhombuses to make a hexagon.
How many rhombuses did you use?
Composite Shapes
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Slide 88 (Answer) / 242
Use your pattern blocks to arrange rhombuses to make a hexagon.
How many rhombuses did you use?
Composite Shapes
[This object is a pull tab]
Teac
her N
otes The rhombus is cloned to click
and drag onto the hexagon. Allow students time to try it on
they own at their desk and then demonstrate it on the board.
![Page 121: Slide 1 / 242 - NJCTLcontent.njctl.org/courses/math/1st-grade/geometry/unit-9...2015/11/30 · Slide 6 / 242 A 2D shape is flat and has 2 dimensions (height & width). All of the shapes](https://reader036.fdocuments.net/reader036/viewer/2022081410/60a05f0bc94fdb6610499ca9/html5/thumbnails/121.jpg)
Slide 89 / 242
Use your pattern blocks to arrange triangles to make a hexagon.
How many triangles did you use?
Composite Shapes
![Page 122: Slide 1 / 242 - NJCTLcontent.njctl.org/courses/math/1st-grade/geometry/unit-9...2015/11/30 · Slide 6 / 242 A 2D shape is flat and has 2 dimensions (height & width). All of the shapes](https://reader036.fdocuments.net/reader036/viewer/2022081410/60a05f0bc94fdb6610499ca9/html5/thumbnails/122.jpg)
Slide 89 (Answer) / 242
Use your pattern blocks to arrange triangles to make a hexagon.
How many triangles did you use?
Composite Shapes
[This object is a pull tab]
Teac
her N
otes The triangle is cloned to click
and drag onto the hexagon. Allow students time to try it
on they own at their desk and then demonstrate it
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Slide 90 / 242
Use the shapes at the bottom to create the new shape.
Composite Shapes
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Slide 90 (Answer) / 242
Use the shapes at the bottom to create the new shape.
Composite Shapes
[This object is a pull tab]
Mat
h Pr
actic
e
MP 5 Use appropriate tools strategically.
Have students try to build the shape with their blocks at their desk. Give them time to talk it
out with a partner. Have a volunteer come to the board to
build the shape.
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Slide 91 / 242
Use the shapes at the bottom to create the new shape.
Composite Shapes
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Slide 92 / 242
Use the shapes at the bottom to create the new shape.Composite Shapes
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Slide 93 / 242
Use the shapes at the bottom to create the new shape.Composite Shapes
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Slide 94 / 242
Use the shapes at the bottom to create the new shape.
Composite Shapes
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Slide 94 (Answer) / 242
Use the shapes at the bottom to create the new shape.
Composite Shapes
[This object is a pull tab]
Teac
her N
otes
For more practice you can go to http://
www.kellyskindergarten.com/math/math_activities.htm and click on pattern block pictures for fun printable pictures for
kids to make with their blocks.
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Slide 95 / 242
21 Can you make a rhombus with two triangles?
Yes
No
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Slide 95 (Answer) / 242
21 Can you make a rhombus with two triangles?
Yes
No
[This object is a pull tab]
Ans
wer
Yes
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Slide 96 / 242
22 There are three triangles in this trapezoid.
True
False
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Slide 96 (Answer) / 242
22 There are three triangles in this trapezoid.
True
False
[This object is a pull tab]
Ans
wer
True
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Slide 97 / 242
23 Which two shapes were used to make this shape?
A
B
C
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Slide 97 (Answer) / 242
23 Which two shapes were used to make this shape?
A
B
C[This object is a pull tab]
Ans
wer
C
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Slide 98 / 242
24 Which two shapes were used to make this shape?
A
B
C
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Slide 98 (Answer) / 242
24 Which two shapes were used to make this shape?
A
B
C [This object is a pull tab]
Ans
wer
A & C
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Slide 99 / 242
25 Which three shapes were used to make this shape?
A
B
C
D
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Slide 99 (Answer) / 242
25 Which three shapes were used to make this shape?
A
B
C
D
[This object is a pull tab]
Ans
wer
A, B, C
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Slide 100 / 242
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Slide 101 / 242
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Slide 103 / 242
Front and Behind
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Slide 103 (Answer) / 242
Front and Behind
[This object is a pull tab]
Teac
her N
otes Use the pictures of the vehicles
to practice using the words front and behind. The vehicles
can be moved around. Also use objects in the classroom to demonstrate front and behind.
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Slide 104 / 242
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Slide 104 (Answer) / 242
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Slide 105 / 242
Over, Under, Above, and Below
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Slide 105 (Answer) / 242
Over, Under, Above, and Below
[This object is a pull tab]
Teac
her N
otes
Use the pictures of the table and kitchen items to practice using the words over, under, above, and below. The items can be
moved around. Also use objects in the classroom to demonstrate over, under, above, and below.
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Slide 106 / 242
Top, Middle and Bottom
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Slide 106 (Answer) / 242
Top, Middle and Bottom
[This object is a pull tab]
Teac
her N
otes
Use the pictures of the blocks to practice using the words top,
middle and bottom. The blocks can be moved around. Also use
objects in the classroom to demonstrate top, middle and
bottom.
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Slide 107 / 242
Left and Right
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Slide 107 (Answer) / 242
Left and Right
[This object is a pull tab]
Teac
her N
otes
Use the pictures of the hands to discuss how the left hand
makes a L when we put our thumbs out to the side. Then use the house and animals to
practice using the words left and right. Also use objects in the classroom to demonstrate left and right. Hang the words left
and right in the classroom.
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Slide 108 / 242
Build a TowerPut the red square on top.
Put the blue square on the bottom.Put the green square in the middle.
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Slide 109 / 242
The boy is between the girls.Can you find the boy?
(Erase to reveal.)
Between
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Slide 110 / 242
Put the sun over the mountain.
Over
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Slide 111 / 242
Put the dog on the sidewalk.On
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Slide 112 / 242
Put the bee inside the jar.Inside
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Slide 113 / 242
Put the birds above the cloud.
Above
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Slide 114 / 242
Put the fish below the boat.
Below
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Slide 115 / 242
The bear is under the bed. Can you find the bear?
(Erase to reveal.)
Under
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Slide 116 / 242
Put the bread outside the cart.
Outside
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Slide 117 / 242
26 Is the bear behind the chair?
Yes
No
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Slide 117 (Answer) / 242
26 Is the bear behind the chair?
Yes
No
[This object is a pull tab]
Ans
wer
No
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Slide 118 / 242
27 Carla packed her box to move. She put toys inside the box but left a toy outside the box. Which toy is outside the box?
A
B
C
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27 Carla packed her box to move. She put toys inside the box but left a toy outside the box. Which toy is outside the box?
A
B
C[This object is a pull tab]
Ans
wer
C
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28 Which animal is above the house?
A
B
C
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28 Which animal is above the house?
A
B
C
[This object is a pull tab]
Ans
wer
B
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29 Which animal is in the middle?
A
B
C
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29 Which animal is in the middle?
A
B
C
[This object is a pull tab]
Ans
wer
C
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30
True
False
The boy is on the left of the desk.
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30
True
False
The boy is on the left of the desk.
[This object is a pull tab]
Ans
wer
False
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A 3-dimensional shape takes up space. Objects that you can hold are 3-dimensional (3-D).
3-D shapes have height, length, and width.
Click here for a song about 3-D shapes
3D Shapes
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3-D shapes have faces.Faces are the flat sides of the shape.
3D Shapes
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3-D shapes can also have curved surfaces.
Shapes with curved surfaces can roll.
3D Shapes
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Look at the 3-D shapes on your desk. Put your finger on a flat face of one object.
Try to stand the shape on the flat face.
Now find a shape that can roll.Only shapes with a curved surface can roll.
3D Shapes
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Look at the 3-D shapes on your desk. Put your finger on a flat face of one object.
Try to stand the shape on the flat face.
Now find a shape that can roll.Only shapes with a curved surface can roll.
3D Shapes
[This object is a pull tab]
Teac
her N
otes Pass out 3-D shapes to each child or small
group.
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What shape is each flat side?
3D Shapes
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Match Name Shape Flat side
1. rectangular prism
2. cube
3. cylinder
4. cone
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3-D shapes have corners.Corners are where the edges meet.We can also call a corner a vertex.
3D Shapes
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Shape Corners Flat Faces Rolls Stacks
8 6 no yes
Complete the chart by observing your 3-D shapes3D Shapes
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Circle the shapes that roll.
Circle the shapes that have flat sides.
Circle the shapes that have corners.
Circle the shapes that stack.
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CylinderCube
Rectangular prism Cone
3D Shape Match
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31 A face is _______.
A flat
B curved
C flat and curved
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31 A face is _______.
A flat
B curved
C flat and curved
[This object is a pull tab]
Ans
wer
A
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32 This shape has:
A curved surfacesB flat faces
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32 This shape has:
A curved surfacesB flat faces
[This object is a pull tab]
Ans
wer
B
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33 A corner is where the edges meet.
True
False
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33 A corner is where the edges meet.
True
False
[This object is a pull tab]
Ans
wer
True
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34 Is the arrow pointing to a corner.
Yes
No
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34 Is the arrow pointing to a corner.
Yes
No
[This object is a pull tab]
Ans
wer
No
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35 If you put a cube on its flat face it will roll.
True
False
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35 If you put a cube on its flat face it will roll.
True
False
[This object is a pull tab]
Ans
wer
False
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Cube
A cube has 6 square faces all equal in size.
What objects can you think of that are shaped like a cube?
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Rectangular Prism
A rectangular prism has 6 rectangular flat faces.
What objects can you think of that are shaped like a rectangular prism.
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Compare the cube and rectangular prismHow are they alike and different?
Cube vs. Rectangular Prism
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Classroom Hunt
How many cubes or rectangular prisms can you find?
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36 What 3-D shape is this object?A cubeB rectangular prism
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36 What 3-D shape is this object?A cubeB rectangular prism
[This object is a pull tab]
Ans
wer
B
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37 A cube and a rectangular prism have 6 flat sides.
True
False
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37 A cube and a rectangular prism have 6 flat sides.
True
False
[This object is a pull tab]
Ans
wer
True
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38 I am thinking of a 3-D shape that has 6 equal square sides. What shape am I thinking of?A rectangular prismB cube
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38 I am thinking of a 3-D shape that has 6 equal square sides. What shape am I thinking of?A rectangular prismB cube
[This object is a pull tab]
Ans
wer
B
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39 What 3-D shape is this object?
A cube
B rectangular prism
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39 What 3-D shape is this object?
A cube
B rectangular prism
[This object is a pull tab]
Ans
wer
A
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40 What 3-D shape is this object?
A cubeB rectangular prism
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40 What 3-D shape is this object?
A cubeB rectangular prism
[This object is a pull tab]
Ans
wer
A
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Lab: Building Shapes
Use straws and twist ties or marshmallows to build cubes and rectangular prisms.
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Cone
What objects can you think of that are shaped like a cone?
A cone is a 3D shape with a curved surface and a flat face.
A cone has a curved surface that comes to a point (vertex).
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Cylinder
What objects can you think of that are shaped like a cylinder?
A cylinder is a solid shape with 1 curved surface and 2 flat faces.
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Compare the cone and the cylinderHow are they alike and different?
Cone vs. Cylinder
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Sphere
What objects can you think of that are shaped like a sphere?
A sphere is a perfectly round 3-D shape. It has no faces.
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Classroom Hunt
How many cones can you find?
How many cylinders can you find?
How many spheres can you find?
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Building Shapes
Using dough, create cones, cylinders and spheres.
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41 Is a basketball a sphere?
Yes
No
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41 Is a basketball a sphere?
Yes
No
[This object is a pull tab]
Ans
wer
Yes
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42 What 3-D shape is this object?
A coneB cylinderC sphere
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42 What 3-D shape is this object?
A coneB cylinderC sphere
[This object is a pull tab]
Ans
wer
A
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43 What 3-D shape is this object?
A coneB sphereC cylinder
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43 What 3-D shape is this object?
A coneB sphereC cylinder
[This object is a pull tab]
Ans
wer
B
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44 A cylinder has a point at the top?
True
False
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44 A cylinder has a point at the top?
True
False
[This object is a pull tab]
Ans
wer
False
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45 What 3-D shape is this object?
A coneB cylinderC sphere
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45 What 3-D shape is this object?
A coneB cylinderC sphere
[This object is a pull tab]
Ans
wer
B
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CONE
What Shape Am I?
I have one curved surface.I have one flat face.
My one flat face is a circle.What am I?
?
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CONE
What Shape Am I?
I have one curved surface.I have one flat face.
My one flat face is a circle.What am I?
?[This object is a pull tab]
Mat
h Pr
actic
e
MP6 Attend to precision.
Encourage students to think about all attributes of the described shape before
guessing.
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CUBE
What Shape Am I?
I have 6 faces.All of my faces are square.
I have 8 corners.What am I?
?
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CYLINDER
What Shape Am I?
I have 2 flat faces.My flat faces are circular.
I have one curved surface.What am I?
?
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RectangularPrism
What Shape Am I?
I have 6 flat faces.Four of my faces are rectangular.
Two of my faces are square.I have 8 corners.
What am I?
?
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46 Is this shape a cube?
Yes
No
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46 Is this shape a cube?
Yes
No
[This object is a pull tab]
Ans
wer
No
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47 Which shape is a cone?
A
B
C
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47 Which shape is a cone?
A
B
C[This object is a pull tab]
Ans
wer
C
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48 How many flat faces does a cylinder have?
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48 How many flat faces does a cylinder have?
[This object is a pull tab]
Ans
wer
2
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49 This object is a ______.A cubeB rectangular prismC cone
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49 This object is a ______.A cubeB rectangular prismC cone
[This object is a pull tab]
Ans
wer
B
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50 These objects are ______.
Quiz
A cubesB rectangular prismsC cones
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50 These objects are ______.
Quiz
A cubesB rectangular prismsC cones
[This object is a pull tab]
Ans
wer
A
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Whole Cookie Half of a Cookie
Class Vote
Teac
her N
otes
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Whole Cookie
Half of a Cookie
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Whole Cookie
Half of a Cookie
[This object is a pull tab]
Teac
her N
otes Look at the pictures and
discuss the differences. Use the word fraction when
discussing the half of cookie. Such as "this is a fraction of the
whole cookie"
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A whole object can be divided into equal parts.Each equal part is called a fraction.
Fractions
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Circle the shapes that show equal parts.
Equal Parts
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Cut each rectangle into equal parts. Use the dots to help you.Equal Parts
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How many equal parts is each shape split into?Equal Parts
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Equal Parts Gameclick for game
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51 How many equal parts is the rectangle cut into?A 2B 4C 1
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51 How many equal parts is the rectangle cut into?A 2B 4C 1
[This object is a pull tab]
Ans
wer
A
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52 The circle has two equal parts.
True
False
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52 The circle has two equal parts.
True
False
[This object is a pull tab]
Ans
wer
False
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53 How many equal parts is the circle cut into?
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53 How many equal parts is the circle cut into?
[This object is a pull tab]
Ans
wer
4
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54 Which rectangle has 2 equal parts?
A
B
C
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54 Which rectangle has 2 equal parts?
A
B
C
[This object is a pull tab]
Ans
wer
B
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55 How many equal parts is this square cut into?
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55 How many equal parts is this square cut into?
[This object is a pull tab]
Ans
wer
4
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When you divide something into two equal parts, you divide it in half.
Half
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Two halves equal one wholeIs there any other way to divide a rectangle in half?
=Halves
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Two halves equal one wholeIs there any other way to divide a rectangle in half?
=Halves
[This object is a pull tab]
Mat
h Pr
actic
eMP2 Reason abstractly and
quantitatively.
Have students observe the rectangle on the left. Ask
them is there is another way to make 2 equal parts.
Allow them to share different ways they could
cut a rectangle in half.
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Halves
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Halves
[This object is a pull tab]
Teac
her N
otes
Rotate the halves around to show that a circle can be split
into half in many ways.
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How many different ways can you cut these circles in half.
Halves
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We can also cut a rectangle in half.Halves
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Remember, when we divide an object in half, the two pieces must be equal.
Halves
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Remember, when we divide an object in half, the two pieces must be equal.
Halves
[This object is a pull tab]
Teac
her N
otes
Move the two halves around to show students that they are equal and when put together
equal a whole.
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Each part of the whole is called a fraction.We can use numbers to show fractions as well as words.
one half or of a circle12
12
The top number tells how many parts you are
talking about.
The bottom number tells how many parts in all.
One purple part
Two parts in all
Fractions
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12
12
One blue part
Two parts in all
One green part
Two parts in all
Fractions
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Class Discussion
Kyle is eating half of an apple. Seth is eating the other half of the apple. Seth is
upset because he says that Kyle has more than him. Can he be right?
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Slide 205 (Answer) / 242
Class Discussion
Kyle is eating half of an apple. Seth is eating the other half of the apple. Seth is
upset because he says that Kyle has more than him. Can he be right?
[This object is a pull tab]
Mat
h Pr
actic
e
MP 3 Construct viable arguments and critique the
reasoning of others.
Have students discuss in small groups their opinions. Then
call the class together to discuss the question.
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56 Is this circle divided in half?
Yes
No
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56 Is this circle divided in half?
Yes
No
[This object is a pull tab]
Ans
wer
No
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57 Is this rectangle divided into two equal parts?
Yes
No
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57 Is this rectangle divided into two equal parts?
Yes
No
[This object is a pull tab]
Ans
wer
Yes
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58 Which circle is cut in ?12
A
B
C
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58 Which circle is cut in ?12
A
B
C
[This object is a pull tab]
Ans
wer
B
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59 Which rectangle is cut in ?
A
B
C
12
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59 Which rectangle is cut in ?
A
B
C
12
[This object is a pull tab]
Ans
wer
A
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60 How many parts are there in all when talking about ?1
2
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60 How many parts are there in all when talking about ?1
2
[This object is a pull tab]
Ans
wer
2
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Slide 212 / 242
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When you divide something into four equal parts, you divide it in fourths or quarters.
Fourths
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Slide 215 / 242
Four quarters equal one whole.Is there any other way to cut the
rectangle into fourths?
=Fourths
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Slide 215 (Answer) / 242
Four quarters equal one whole.Is there any other way to cut the
rectangle into fourths?
=Fourths
[This object is a pull tab]
Mat
h Pr
actic
e
MP 8 Look for and express regularity in repeated reasoning.
Ask students to share other ways to cut the rectangle into fourths.
Reinforce that you can cut a shape into fourth by cutting it in 4 EQUAL parts. It does not matter
the direction of the cut.
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Slide 216 / 242
one fourth, one quarter or
of a circle14
14
The top number tells how many parts you are
talking about. One purple part
Four parts in all
We can write one fourth in words or numbers.
Fourths
The bottom number tells how many parts in all.
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14
One blue part
Four parts in all
14
14
14
One red part
Four parts in all
One green part
Four parts in all
One yellow part
Four parts in all
Fourths
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Cut each shape into fourths.Fourths
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Slide 219 / 242
Color 1/4 of each circle.Fourths
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Slide 220 / 242
Color and label 1/4 of each rectangle.Fourths
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61 This circle is cut into fourths?
Yes
No
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Slide 221 (Answer) / 242
61 This circle is cut into fourths?
Yes
No
[This object is a pull tab]
Ans
wer
Yes
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62 of the circle is colored.
True
False
14
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Slide 222 (Answer) / 242
62 of the circle is colored.
True
False
14
[This object is a pull tab]
Ans
wer
False
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63 Is this rectangle divided into quarters?
Yes
No
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Slide 223 (Answer) / 242
63 Is this rectangle divided into quarters?
Yes
No
[This object is a pull tab]
Ans
wer
No
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64 Which rectangle is divided into fourths?
A
B
C
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64 Which rectangle is divided into fourths?
A
B
C
[This object is a pull tab]
Ans
wer
C
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65 One fourth of the rectangle is blue.
True
False
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65 One fourth of the rectangle is blue.
True
False
[This object is a pull tab]
Ans
wer
True
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Slide 227 / 242
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When you divide something into 2 equal parts, you divide it in half.
When you divide something into 4 equal parts, you divide it into fourths or quarters.
Fourths
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Fractions can be written with words or numbers.
One-Half or
One-Fourth, One-Quarter
or
12
14
Fourths
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A circle can be divided into halves.
Fourths
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A rectangle can be divided into halves.
Fourths
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A circle can be divided into fourths or quarters.
Fourths
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A rectangle can be divided into fourths or quarters.Fourths
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66 Which shape is split into quarters?
A
B
C
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66 Which shape is split into quarters?
A
B
C[This object is a pull tab]
Ans
wer
B
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67 This circle is cut into fourths.
Yes
No
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Slide 236 (Answer) / 242
67 This circle is cut into fourths.
Yes
No
[This object is a pull tab]
Ans
wer
No
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68 How many equal parts are there if a cake is cut in half?
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68 How many equal parts are there if a cake is cut in half?
[This object is a pull tab]
Ans
wer
2
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69 Which rectangle is cut in half?
A
B
C
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69 Which rectangle is cut in half?
A
B
C
[This object is a pull tab]
Ans
wer
A
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70 When cutting a pie into fourths there are two equal pieces.
True
False
Quiz
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70 When cutting a pie into fourths there are two equal pieces.
True
False
Quiz
[This object is a pull tab]
Ans
wer
False
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