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

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