Count on to Subtract on a Number Line

29 - 5 =

• 22

• 23

• 24

• 25

14 - 6 =

• 12

• 11

• 10

• 8

17 - 8 =

• 9

• 10

• 11

• 12

22 - 7 =

• 15

• 16

• 17

• 18

If you start at 8 on a number line and move 3 steps backward, where do you land?

• 4

• 5

• 6

Using a number line, if you start at 7 and subtract 4, where do you end up?

• 2

• 3

• 4

Using a number line, if you start at 10 and subtract 7, where do you end up?

• 2

• 3

• 4

On a number line, if you start at 9 and subtract 6, where do you land?

• 2

• 3

• 4

28 - 9

• 18

• 19

• 20

• 21

You _________ when you start at the greater addend on a number line and move forward by the other addend.

• missing addend

• doubles

• count back

• count on