The circle and disc; year review
Answers are for parents and teachers.
1
350 : 50 = ?
7
2
46 × 4 = ?
184
3
(8 × 5) × 20 = ?
800
4
x × 5 = 400, x = ?
80
5
How many metres is 5 km?
5000
6
A circle has radius 9 cm. What is its diameter in centimetres?
18