Post on 31-Jul-2020
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