Right angles in shapes

1 Thereisatleastonerightangleineachpicture.

Marktherightanglesonthepictures.

Thefirstonehasbeendoneforyou.

a) d)

b) e)

c) f)

Compareanswerswithapartner.

2 Arectanglehasfourrightangles.

Marktherightanglesontherectangle.

3 AlexandJackareidentifyingrightangles.

Whodoyouagreewith?

Talkaboutitwithapartner.

4 Dexterisfacingnorth.

Heturnsaquarterturn.

DoyouagreewithDexter?

Talkaboutitwithapartner.

©WhiteRoseMaths2020

Both of the angles are right angles.

This is the same as one right angle.

I disagree. The first one is a right angle but the

second one is a left angle because it is on the left of the line.

Alex

Jack

N

EW

S

compass with 4 points and N E S W labelled on it

8 TeddyandWhitneyareidentifyingrightangles.

Whodoyouagreewith?

Drawontheshapetoshowyourthinking.

9 Howmanyrightanglescanyoufindinthepicture?

Markthemonthepicture.

Createyourownproblemlikethisforapartner.

5 Completethesentences.

Aquarterturnisequalto rightangle.

Ahalfturnisequalto rightangles.

Athree-quarterturnisequalto rightangles.

Afullturnisequalto rightangles.

6 Drawtherightanglesoneachshape.

a) c)

b) d)

7 Lookatthenumberofrightanglesineachshape.

Sorttheshapesintothetable.

A C E G

B D F H

0rightangles

1rightangle

2rightangles

3rightangles

4rightangles

©WhiteRoseMaths2020

I can see five right angles.Teddy I can see six! Whitney