Online teaching



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Addition and Subtraction Facts

Author:
Description:
Keywords: , , , , , , online teaching

Content:
Definitions:
0. 11-9
1. 1%2b3
2. 9%2b3
3. 8%2b5
4. 4%2b7
5. 7%2b8
6. 4%2b5
7. 9%2b7
8. 3%2b4
9. 15 - 14
10. 6%2b5
11. 7 %2b 8
12. 9%2b9
13. 7%2b6
14. 15 - 9
15. 8%2b8

Answers:
0. 11
1. 2
2. 8
3. 6
4. 11
5. 13
6. 9
7. 16
8. 17
9. 9
10. 14
11. 13
12. 12
13. 1
14. 7
15. 3
.