Operations on whole numbers

Which number should go in the red box?

• 10

• 6

• 8

• 7

Check all the words that can mean zero.

• freezing

• lobby

• at

• no balance

• gain

Which operation is shown on the number line?

• 8 + 6 = 14

• 8 + 2 = 10

• 8 - 6 = 2

• 8 - 2 = 6

Answer explanation

Arrowhead points towards the left of 8. This suggests that some number is to be subtracted from 8. Arrows move two steps towards left from 8, therefore 2 should be subtracted from 8. We get, 8 - 2 = 6

What number would you start your number line on to solve 37 + 6 ?

• 6
• 60
• 1
• 37

What numbers do the jumps and hops represent?

• 23

• 71

• 48

Subtract using the number line.

20 - 8 = _____

• 11

• 12

• 13

• 14

Use your slate or thinking paper. What difference and number sentence is represented on this number line?

• 88-36=52

• 88-52=36

• 52-36=88

• 52-88=36

Subtract using the number line.

14 - 9 = _____

• 4

• 5

• 6

• 7

Which number line best represent

31 - 16 = 15?

• 
• 
• 
• 

Start at 4 on the number line and move 6 units to the right. What is the final position?

• 16

• 0

• 10

• -2