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Addition Facts to 20
Use stratagies you know to find the answers to the addition problems.
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| A | B |
| 1+1 | 2 |
| 2+2 | 4 |
| 3+3 | 6 |
| 4+4 | 8 |
| 5+5 | 10 |
| 6+6 | 12 |
| 7+7 | 14 |
| 8+8 | 16 |
| 9+9 | 18 |
| 10+10 | 20 |
| 1+2 | 3 |
| 1+4 | 5 |
| 1+5 | 6 |
| 1+3 | 4 |
| 1+6 | 7 |
| 1+7 | 8 |
| 1+8 | 9 |
| 1+9 | 10 |
| 1+11 | 12 |
| 1+12 | 13 |
| 1+13 | 14 |
| 1+14 | 15 |
| 1+15 | 16 |
| 1+16 | 17 |
| 1+17 | 18 |
| 1+18 | 19 |
| 1+19 | 20 |
| 2+3 | 5 |
| 2+4 | 6 |
| 2+5 | 7 |
| 2+6 | 8 |
| 2+7 | 9 |
| 2+8 | 10 |
| 2+9 | 11 |
| 2+10 | 12 |
| 2+11 | 13 |
| 2+12 | 14 |
| 2+13 | 15 |
| 2+14 | 16 |
| 2+15 | 17 |
| 2+16 | 18 |
| 2+17 | 19 |
| 2+18 | 20 |
| 3+4 | 7 |
| 3+5 | 8 |
| 3+6 | 9 |
| 3+7 | 10 |
| 3+8 | 11 |
| 3+9 | 12 |
| 3+10 | 13 |
| 3+11 | 14 |
| 3+12 | 15 |
| 3+13 | 16 |
| 3+14 | 17 |
| 3+15 | 18 |
| 3+16 | 19 |
| 3+17 | 20 |
| 4+5 | 9 |
| 4+6 | 10 |
| 4+7 | 11 |
| 4+8 | 12 |
| 4+9 | 13 |
| 4+10 | 14 |
| 4+11 | 15 |
| 4+12 | 16 |
| 4+13 | 17 |
| 4+14 | 18 |
| 4+15 | 19 |
| 4+16 | 20 |
| 5+6 | 11 |
| 5+7 | 12 |
| 5+8 | 13 |
| 5+9 | 14 |
| 5+10 | 15 |
| 5+11 | 16 |
| 5+12 | 17 |
| 5+13 | 18 |
| 5+14 | 19 |
| 5+15 | 20 |
| 6+7 | 13 |
| 6+8 | 14 |
| 6+9 | 15 |
| 6+10 | 16 |
| 6+11 | 17 |
| 6+12 | 18 |
| 6+13 | 19 |
| 6+14 | 20 |
| 7+8 | 15 |
| 7+9 | 16 |
| 7+10 | 17 |
| 7+11 | 18 |
| 7+12 | 19 |
| 7+13 | 20 |
| 8+9 | 17 |
| 8+10 | 18 |
| 8+11 | 19 |
| 8+12 | 20 |
| 9+10 | 19 |
| 9+11 | 20 |
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