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

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