How to multiply in your head
What is 6 x 40?
- 6 x 40 is equal to 6 x 4 x 10
- 6 x 4 is equal to 6 x 2 x 2
- 6 x 2 x 2 = 24
- 24 x 10 = 240
- This means 6 x 40 = 240
Break down the calculation as much as you need to. If you know 6 x 4 = 24, you don't have to break it down into 6 x 2 x 2.