Addition within 20

5 + 4 = ....

• 5

• 8

• 9

Look at the picture.

10 + 4 = ....

• 13

• 14

• 12

Namina has 4 apples.

Arvino has 2 apples.

How many apples do they have in all?

They have ________ apples in all.

• 6

• 7

• 8

Raheesh has 8 marbles.

Ibrahim has 4 marbles.

How many marbles do they have in all?

8 + 4 = ....

• 10 + 4 = 14

• 10 + 2 = 12

• 10 + 1 = 11

Use the number line to help you.

12 + 4 = ________

• 15

• 16

• 18

8 + 8 = .... + ....

= ....

• 10 + 6 = 16

• 10 + 8 = 18

• 10 + 4 = 14

9 + 6 = .... + ....

= ....

• 10 + 6 = 16

• 10 + 5 = 15

• 10 + 7 = 17

Miss Tanti buys 11 oranges.

She buys 3 more strawberries than oranges.

How many strawberries does Miss Tanti buy?

Estimate: Between ________ and ________

________ + ________ = ________

Miss Tanti buys ________ strawberries.

• 11 + 1 = 12

• 10 + 3 = 13

• 11 + 3 = 14

Artan has 9 erasers.

Indra buys 9 more erasers.

How many erasers does Artan have now?

Estimate: Between ________ and ________

________ + ________ = ________

Jason has ________ erasers now.

• 10 + 9 = 19

• 9 + 8 = 17

• 9 + 9 = 18

Nuna has 7 stamps.

Hadziq has 5 stamps.

How many stamps do they have in all?

________ + ________ = ________

They have ________ stamps in all.

• 7 + 5 = 12

• 7 + 4 = 11

• 7 + 6 =13