2 times 9

2 times 9 is 18. In symbols: 2 × 9 = 18, and 9 × 2 = 18 too.

Repeated addition

2 × 9 means adding 2 to itself 9 times: 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 = 18.

Skip counting by 2

2, 4, 6, 8, 10, 12, 14, 16, 18. The 9th multiple of 2 is 18.

Split the number

2 × 9 = 2 × 4 + 2 × 5 = 8 + 10 = 18.

Double and halve

Halve one number and double the other: 2 × 9 = 1 × 18 = 18.

Division facts

18 ÷ 2 = 9
18 ÷ 9 = 2

About 18

18 is even. Prime factorization: 2 × 3 × 3.

Nearby multiplications

MultiplicationAnswer
3 × 927
2 × 816
2 × 1020
2 × 1122
2 × 714
4 × 936

See also: factors of 18.

Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.