The 15 times table
Below are the products of 15 and the numbers 1 to 10. Read the table, learn the trick and practise to make it stick.
| 15 × 1 | = | 15 |
| 15 × 2 | = | 30 |
| 15 × 3 | = | 45 |
| 15 × 4 | = | 60 |
| 15 × 5 | = | 75 |
| 15 × 6 | = | 90 |
| 15 × 7 | = | 105 |
| 15 × 8 | = | 120 |
| 15 × 9 | = | 135 |
| 15 × 10 | = | 150 |
💡 Memory trick
15 × k = 10 × k + (15 − 10) × k. For example, split 15 × 3 into 10 × 3 plus the rest.
Dividing by 15
15 ÷ 15 = 130 ÷ 15 = 245 ÷ 15 = 360 ÷ 15 = 475 ÷ 15 = 590 ÷ 15 = 6105 ÷ 15 = 7120 ÷ 15 = 8135 ÷ 15 = 9150 ÷ 15 = 10