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Java Games: Flashcards, matching, concentration, and word search. |
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Doubles plus one
adding and subtracting using doubles and doubles plus one
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| A | B |
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| 5 + 5 = | 10 |
| 6 + 6 = | 12 |
| 7 + 7 = | 14 |
| 8 + 8 = | 16 |
| 9 + 9 = | 18 |
| 18 - 9 = | 9 |
| 16 - 8 = | 8 |
| 14 - 7 = | 7 |
| 12 - 6 = | 6 |
| 10 - 5 = | 5 |
| 5 + 6 = | 11 |
| 6 + 7 = | 13 |
| 7 + 8 = | 15 |
| 8 + 9 = | 17 |
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