10 times 18 is 180. In symbols: 10 × 18 = 180, and 18 × 10 = 180 too.
10 × 18 means adding 10 to itself 18 times: that is 18 copies of 10, which add up to 180.
10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ... (keep going to the 18th multiple). The 18th multiple of 10 is 180.
10 × 18 = 10 × 10 + 10 × 8 = 100 + 80 = 180.
Halve one number and double the other: 10 × 18 = 5 × 36 = 180.
180 ÷ 10 = 18
180 ÷ 18 = 10
180 is even. Prime factorization: 2 × 2 × 3 × 3 × 5.
| Multiplication | Answer |
|---|---|
| 9 × 18 | 162 |
| 11 × 18 | 198 |
| 10 × 17 | 170 |
| 10 × 19 | 190 |
| 10 × 20 | 200 |
| 10 × 16 | 160 |
| 12 × 18 | 216 |
| 8 × 18 | 144 |
See also: factors of 180.
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.