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• Area and perimeter

OJ Copy and complete these torn rectangles.
CHALLENGE III area coloured = 1 sq cm
This square has an area of
D one square centimetre, ~ or IRl area coloured - t sq cm
also written as 1 sq cm .
I:;;:] or ~ area coloured· t sq cm
OJ Work out the area of each of these shapes. -----/ rn
---_1 a
Perimeter
18em

b
Perimeter
22em

c
Perimeter
2&em

d
Perimeter
rn 22em

a 3i sq em Open: copying and a
drawing shapes with
b 3i sq em e
area of 4 sq em.
Perimeter
c 3i sq em
II [ II [ [ [ III [ [ [ [ I !I [ [ [ [ [ [ [ [ [ [ I 24em
d si sq em
b Perimeter Perimeter Perimeter
e S sq em 22em 20em 28em
1
f 3 2 sq em
Challenge
a area = 6 x 12 = 72 sq em b area = 3 x 12 = 36 sq em
c area = 8 x 22 = 176 sq em d area = 4 x 17 = 68 sq em