| A | B |
|---|
| 9x0 | 9x0=0 Anything times zero is zero. |
| 9x1 | 9x1=9 Anything times ones equals itself. |
| Nines trick | Put thumbs together. Start counting from left pinky, and stop when you get to the number you are multiplying by nine. Bend that finger. Numbers to the left of the bent finger are tens, and the numbers to the right of the bent finger are ones. This is a picture of two hands side by side: ||||/ \|||| Here is another picture, but the period represents a bent finger for 9x3 ||.|/ \|||| |
| 9x2 | 9x2=18 |.||/ \|||| (one ten, second finger bent, eight ones) |
| 9x3 | 9x3=27 ||.|/ \|||| (2 tens, third finger bent, 7 ones) |
| 9x4 | 9x4=36 |||./ \|||| (3 tens, fourth finger bent, 6 ones) |
| 9x5 | 9x5=45 ||||. \|||| (4 tens, fifth finger bent, 5 ones) |
| 9x6 | 9x6=54 ||||/ .|||| (5 tens, sixth finger bent, 4 ones) |
| 9x7 | 9x7=63 ||||/ \.||| (6 tens, seventh finger bent, 3 ones) |
| 9x8 | 9x8=72 ||||/ \|.|| (7 tens, eighth finger bent, 2 ones) |
| 9x9 | 9x9=81 ||||/ \||.| (8 tens, ninth finger bent, 1 one) |
| 9x10 | 9x10=90 Anything times ten, add a zero to the end |
| 9x11 | 9x11=99 Elevens trick: Clone the 9 |
| 9x12 | 9x12=108 Think: 9 x 11 = 99, then add 9. 99+9=108. Or write them top to bottom and multiply: 12x9=108 |
