Page 1 - steps 4b 02.pdf

RM5

II Area and Perimeter (1) II II II II II 4b:2
e

2
[!] Estimate how many 1 cm squares
lem This square has an
will fit into the letters below.
area of one square
I em
centimetre.
We often write this [!] Use a 1 cm squared transparent grid
as 1 sq cm or lcm2. to count how many squares fit.

a b c

estimated: ________ cm 2 estimated: ________ cm 2 estimated: ________ cm 2

counted: ________ cm 2 counted: ________ cm 2 counted: ________ cm 2

d e . f

estimated: ________ cm 2 estimated: ________ cm 2
counted: ________ cm 2 counted: ________ cm 2
estimated: ________ cm 2

counted: ________ cm 2

[!] Write the areas in
ascending order.

~ Write the difference
between each area.

Finding areas by counting square centimetres.
Name
Materials: 1 em squared transparent grid
Date

© 1994 HarperCoilins Publishers STEPS 4b