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Fluency within 20

Author: Cossette Jennifer
Description: Match the equation to the answer.
Keywords: addition, subtraction, missing addends, , , , online teaching

Content:
Definitions:
0. 13 %2b _ = 15
1. 20 - 11 = _
2. 13 - 2 = _
3. 7 %2b 7 = _
4. 5 %2b _ = 10
5. 9 %2b 9 = _
6. 8 %2b _ = 18
7. 2 %2b 10 = _
8. 7 %2b _ = 8
9. 9 - _ = 6
10. 3 %2b 4 = _
11. 20 - 7 = _
12. 12 - 8 = _
13. 8 %2b _ = 16
14. 20 - 4 = _
15. 12 - 6 = _

Answers:
0. 1
1. 6
2. 5
3. 16
4. 18
5. 10
6. 4
7. 11
8. 13
9. 7
10. 2
11. 3
12. 14
13. 8
14. 9
15. 12
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