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Java Games: Flashcards, matching, concentration, and word search. |
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Multiplication with the 3's
With the threes, you add the other number to itself and then you do it again.
So, 3 x 8 is 8 + 8 + 24
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| A | B |
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| 3x1 | 1+1+1=3 |
| 3x2 | 2+2+2=6 |
| 3X3 | 3+3+3=9 |
| 3X4 | 4+4+4=12 |
| 3x5 | 5+5+5=15 |
| 3X6 | 6+6+6=18 |
| 3X7 | 7+7+7=21 |
| 3X8 | 8+8+8=24 |
| 3X9 | 9+9+9=27 or 30-3=27 |
| 3X10 | 30 (tens trick) |
| 3x11 | 33 (elevens trick) |
| 3x12 | 12+12+12=36 |
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Third Grade Teacher |
| Southern California, CA |
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