# Multiplication and division by 10 and 100

Lesson

When we multiply a whole number by 10, we can place a 0 after our number.  We can use a similar process to divide by 10, so watch the video to see how this is possible. Then, use the same process to multiply and divide by 100 using a similar pattern.

#### Worked examples

##### Question 1

Solve $8\times10$8×10.

##### Question 2

Solve $50\div10$50÷​10.

##### Question 3

Solve$700\div10$700÷​10.

### Outcomes

#### NA3-4

Know how many tenths, tens, hundreds, and thousands are in whole numbers.