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

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