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Try It Out!

Can you fluently add to 20 using addition strategies?

Goal:

Goal:

monkey with question mark

You Try!

Goal: Practice using addition strategies to add to 20.

10 + 6 =

1 ten frame with 10 red dots, and another ten frame with 6 yellow dots

16

Possible Strategy: Ten Frames

7 + 8 =

Unifix Blocks

15

Possible Strategy: Near Doubles

9 + 6 =

9 +

2 hands with 6 fingers up.

15

Possible Strategy: Counting On

10 + 10 =

20 Unifix Blocks

20

Possible Strategy: Doubles

12 + 7 =

2 ten frames with 12 red dots, and 7 yellow dots

19

Possible Strategy: Ten Frames

8 + 10 =

2 ten frames with 10 red dots, and 8 yellow dots

18

Possible Strategy: Ten Frames

11 + 3 =

11 +

1 hands with 3 fingers up.

14

Possible Strategy: Counting On

9 + 9 =

18 Unifix blocks

18

Possible Strategy: Doubles

13 + 4 =

13 +

1 hands with 3 fingers up.

17

Possible Strategy: Counting On

5 + 6 =

11 Unifix blocks

11

Possible Strategy: Near Doubles

Cards remaining:

Click the Practice: Add to 20 button to find and print your worksheet. The worksheet has 10 addition sentences for you to solve using the addition strategies: doubles, near doubles, ten frames, or counting on. Find the sum using an addition strategy, and then color in the box with the color that matches the strategy you chose. When you are done, turn in your assignment to your teacher with your Weekly Written Work.

Practice: Add to 20

Question

Would you use the counting-on strategy or ten-frames strategy to solve 10 + 5?