Page 47 - 01-Yr5_Front cover-ccp.indd

II II II II

[!] Use a formula to calculate the areas of these tiles.
33cm
30cm
G
E 15cm
F

15cm
30cm 33cm

~ a Copy and complete these statements for cover:ing
this floor with tile E. 3 m

tiles are needed for the length.
tlles are needed for the breadth.
tiles are needed altogether. 2·7 m

b Write similar statements for covering
the floor with tile F.

1 O Sometimes tiles need to be cut to fit around obstacles. Drawing diagrams
Calculate the amount of surface these cut tiles will cover. can help.
a b c
18cm 33cm
15cm 'i , ,.
m
5cm -..,,,,,...----; ·.·,.: ,, ;,._:-.; . ··• : ·::· .~.
22cm 15cm cm 16cm ••. ·" -. · · · . r ~· i. .·~
·· ; .. · .... :.: .: .. ,
! ,
•
t4 \ ;
.• ·4 ···: 33cm
5cm
17 cm ,. · . : :, :
.·,. ,1:. •'
.... ........ ·.'
[!]] Write a measurement in place of the letter . . " ..
• •
•• • • •
#
'• f ' I t'
in each of these rectangle calculations.
a A = 5cm x 9cm b 100cm2 = L x 10cm c A=15mx8m
d 90 m2 = 1 5 m x b e 72 cm2 = L x 18 cm f 144 m2 = 12 m x b
CHALLENGE
1 cm represents 20 cm
• Use the scale shown.
• Draw scale diagrams of the wall on cm ~1 -~l---+l---+l---+-l---11
0 20 40 60 80 100
page 40 with tiles A, B, C and D in place.

I STEPS 5:10 I m