How Many Squares — Practice

Question 1

What is the area of a rectangle that covers 8 full squares on a 1 cm grid?

Accepted Answer

8 square centimetres (8 sq cm).

Question 2

Find the perimeter of a square with side 5 cm.

Accepted Answer

Perimeter = 5 + 5 + 5 + 5 = 20 cm.

Question 3

Two rectangles have a perimeter of 20 cm. Give one possible pair of dimensions for each.

Accepted Answer

For example, 6 cm by 4 cm and 7 cm by 3 cm both have a perimeter of 20 cm (other answers are possible).

Question 4

A leaf covers 10 full squares, 6 half squares, and 2 big squares (more than half). Find its approximate area.

Accepted Answer

Area is about 10 + (6/2) + 2 = 10 + 3 + 2 = 15 sq cm.

Practice — How Many Squares