Dot problems with times
You learn to find the missing number in a multiplication with a dot.
How to work it out
- Look at the multiplication and the answer.
- Divide the answer by the number you already know.
- The answer to that division is the number on the dot.
6 × 7
6 × · = 42
- Look at the answer: 42.
- Divide 42 by the number you know: 42 ÷ 6 = 7.
- Check with multiplication: 6 × 7 = 42.
- The number on the dot is 7.
More examples
· × 8 = 56
- Divide the answer by 8.
- Work it out: 56 ÷ 8 = 7.
- The number on the dot is 7.
7 × 8
9 × · = 63
- Divide the answer by 9.
- Work it out: 63 ÷ 9 = 7.
- The number on the dot is 7.
9 × 7