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Doubles Plus One Addition Facts
Remember the trick if you need it. Double the smaller number and add one more.
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| A | B |
| 1+2= | 3 |
| 2+3= | 5 |
| 3+4= | 7 |
| 4+5= | 9 |
| 5+6= | 11 |
| 6+7= | 13 |
| 7+8= | 15 |
| 8+9= | 17 |
| 2+1= | 3 |
| 3+2= | 5 |
| 5+4= | 9 |
| 6+5= | 11 |
| 7+6= | 13 |
| 8+7= | 15 |
| 9+8= | 17 |
| 4+3= | 7 |
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