Question

On a squared paper, draw the following. Find the approximate area of each by counting the number of complete, more than half and exactly half square.
(3 marks)

Answer 1

This figure consists of:
10 complete squares,
1 exactly half square,
7 more than half squares, and
6 less than half squares.
(1.5 marks)

If we assume that the area of one complete square is 1 cm${}^2$ then the area of this shape:
$=(10+1\times 0.5+6\times 0+7\times 1)=17.5c{m}^2$
(1.5 marks)