Subtracting by Counting Back

5-2=

• 3

• 2

• 2

7 - 3 = ...............

• 3

• 6

• 2

• 4

9 - 2 =

• 5

• 7

• 4

8 - 1 =

• 6

• 7

• 5

• 4

8 - 3 =

• 3

• 4

• 5

• 7

Lama has 16 Cherries

She eats 8 Cherries

find how many cherries Lama has left?

• 10 blueberries

• 9 blueberries

• 8 blueberries

• 7 blueberries

Count back to subtract. Use a number line to help you.

6 – 4=........

• 5

• 3

• 2

• 4

Count back to subtract. Use a number line to help you.

15 – 7 = .........

• 8

• 9

• 7

• 10

Jack has 7 trading cards.

He gives 4 cards to Bart.

How many trading cards does Jack have now?

• 5

• 4

• 3

• 2