Page 46 - 01-Yr5_Front cover-ccp.indd

Tile areas II II II II II II

ITJ If A represents area, I length and b breadth,

copy and complete this formula for finding the area of rectangles.

A = l x ---
~ Copy and complete this calcufation to find the area of this tile.

A l 5cm
= ~ 0 :,;;-~ --- llJ 10cm
= ___ cm 2

@J Use the ormula to ca culate the areas of these tiles.

A 20cm B 15cm C 15cm D 20cm

15cm
20cm
25cm

Explain why the formula for finding the area of a square

can be written as A = t 2.
- ~'- Copy and complete these statements

for covering the white wall with file A-. -~--u ~ 3m -.......... ,
----- tlles are needed for the length. •
E
----- tiles are needed for the height. "1"
-----tiles are needed altogether. C\J

@] Write similar statements for covering
the wall with:
a tile B
b tile C
Show your workings-out
c tile D. and any diagrams
you draw to help you.
Explain your answer to c.

[I] The tiles are sold in packs of 12.

Work out how many packs of each tile you would have to buy.
m

1 STEPS5:10 1