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

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