calculate perimeter calculate the perimeter of these shapes. · 2020-05-03 · 5 calculate the...
TRANSCRIPT
Calculate perimeter
1 Calculatetheperimeterofeachshape.
a) c)
b) d)
2 Calculatetheperimeteroftheseshapes.
a)
b)
3 Calculatetheperimeteroftheseshapes.
a) b)
©WhiteRoseMaths2019
1cm
1cm
1cm
1cm
1cm
1cm1
cm1cm
8cm
8cm
3cm 3cm
8cm
10cm
6cm
7cm
4cm
3cm
7cm
5cm
2cm
6cm
3cm
2cm1cm
7cm7cm
4cm
©WhiteRoseMaths2019
4 Workoutthemissinglengthsontheseshapes.
a) b)
Discusswithapartnerhowyouworkedthemout.
5 Calculatetheperimeteroftheseshapes.
a) b)
6 Mothinksthatthereisnotenoughinformationtocalculatethe
perimeteroftheshape.
Ishecorrect?Howdoyouknow?
7 Rosieismakingshapesmadeupof3rectangles.
Eachrectanglehasalengthof10cmandawidthof4cm.
Shemakesthese2shapes.
a) Whichshapehasthegreatestperimeter?
b) Whatothershapescanyoumakewith3rectangles?
Whatistheperimeteroftheshapes?
cm
cm
3cm
7cm
5cm
4cm
2cm
4cm
9cm
10cm
3cm
cm
10cm
6cm cm
2cm
3.5cm
4cm
3.5cm
9.2cm 9.2cm
17cm
9cm
3cm
AB