Number & the laws of arithmetic

Order of operations

Name: ______________________________Date: ______________Score: ______ / 20

1.
Work out 4 + 9 × 5.
2.
Work out 16 + 8 ÷ 4.
3.
Work out 16 − 3 × 2.
4.
4 + 9 × 5 = 49.
True False
5.
Work out 17 + 4 × 7.
6.
Work out 26 − 4 × 4.
7.
Work out 9 + 4 × 5.
8.
Work out 18 − 3 × 4.
9.
Work out 10 + 8 × 4.
10.
Work out 14 + 2 × 4.
11.
Work out 11 + 8 × 6.
12.
Work out 19 × 7 − 3.
13.
For these numbers, 45 × 30 = 30 × 45.
True False
14.
Which symbol makes this true? 843 __ 835
1. A<
2. B>
3. C=
15.
There are 9 apples for every 1 oranges. What is the ratio of apples to oranges?
1. A1 : 9
2. B9 : 1
3. C9 : 10
16.
806 is greater than 419.
True False
17.
There are 8 circles for every 9 squares. What is the ratio of circles to squares?
1. A8 : 9
2. B8 : 17
3. C9 : 8
18.
There are 2 red for every 7 blue. What is the ratio of red to blue?
1. A2 : 9
2. B2 : 7
3. C7 : 2
19.
752 is greater than 731.
True False
20.
There are 6 red for every 9 blue. What is the ratio of red to blue?
1. A6 : 9
2. B9 : 6
3. C6 : 15

Answer key

Number & the laws of arithmetic — Order of operations