10 times 15 is 150. In symbols: 10 × 15 = 150, and 15 × 10 = 150 too.
10 × 15 means adding 10 to itself 15 times: that is 15 copies of 10, which add up to 150.
10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ... (keep going to the 15th multiple). The 15th multiple of 10 is 150.
10 × 15 = 10 × 10 + 10 × 5 = 100 + 50 = 150.
Halve one number and double the other: 10 × 15 = 5 × 30 = 150.
150 ÷ 10 = 15
150 ÷ 15 = 10
150 is even. Prime factorization: 2 × 3 × 5 × 5.
| Multiplication | Answer |
|---|---|
| 9 × 15 | 135 |
| 11 × 15 | 165 |
| 10 × 14 | 140 |
| 10 × 16 | 160 |
| 10 × 17 | 170 |
| 10 × 13 | 130 |
| 12 × 15 | 180 |
| 8 × 15 | 120 |
See also: factors of 150.
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