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

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