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Java Games: Flashcards, matching, concentration, and word search. |
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Adding Nine Facts
The trick can help when you add 9 to another number! { The answer is 1 ten and one less than the other addend besides 9.}
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| A | B |
|---|
| 9+1 | 10 |
| 9+2 | 11 |
| 9+3 | 12 |
| 9+4 | 13 |
| 9+5 | 14 |
| 9+6 | 15 |
| 9+7 | 16 |
| 9+8 | 17 |
| 9+9 | 18 |
| 1+9 | 10 |
| 2+9 | 11 |
| 3+9 | 12 |
| 4+9 | 13 |
| 5+9 | 14 |
| 6+9 | 15 |
| 7+9 | 16 |
| 8+9 | 17 |
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