Calculate the difference | Exit Quiz | Oak National Academy

Which equation has been written to find the difference between 7 and 3?

• 3 + 7 = ?

• 7 - 3 = ?

• 3 - 7 = ?

Answer explanation

To find the difference, we subtract the smaller number from the larger number, so 7 - 3 = will help us to find the difference.

7 and 3 have a difference of (a)  

Answer explanation

7 - 3 is equal to 4, so 7 and 3 have a difference of 4

Which equations represent the difference between the towers of cubes?

• 3 + 6 = 9

• 6 − 3 = 3

• 3 = 6 − 3

• 3 − 6 = 3

Answer explanation

6 − 3 = 3 and 3 = 6 − 3 both represent the difference between the towers of cubes.

Aisha used 7 coloured pencils for her artwork. Lucas used 4 How many more coloured pencils did Aisha use than Lucas? Aisha used (a)   more coloured pencils than Lucas.

Answer explanation

7 - 4 = 3 Aisha used 3 more coloured pencils than Lucas.

There are 4 children outside and 8 children inside. How many fewer children are outside than inside? There are (a)   fewer children outside than inside.

Answer explanation

We are finding the difference between 4 and 8, so 8 - 4 = 4 There are 4 fewer children outside than inside.

Which pairs of numbers have a difference of 4?

• 1

• 7

• 2

• 8

• 4

• 5

• 3

• 6

Answer explanation

1 and 5, 2 and 6, 3 and 7, 4 and 8 all have a difference of 4