# Solve measures problems using knowledge of multiplying decimal fractions

I can use knowledge of multiplying decimal fractions by whole numbers to solve measures problems.

# Solve measures problems using knowledge of multiplying decimal fractions

I can use knowledge of multiplying decimal fractions by whole numbers to solve measures problems.

## Lesson details

### Key learning points

- Using knowledge of multiplying decimal numbers with whole numbers can help us solve measures problems.
- __ times __ ones is equal to __ ones, so __ times __ tenths/hundredths is equal to __ tenths/hundredths.’ supports us.
- Unitising of known facts can be used to support calculating with decimal fractions.
- When we multiply by ten, the digits move one place value place to the left.

### Common misconception

Children may get confused when converting between units of measure and be unsure when they need to multiply or divide.

___ are smaller than ___, so there must be more of them in the same measure so we need to multiply (and vice versa).

### Keywords

Convert - When we convert, we change a value or expression from one form to another.

### Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

## Video

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## Starter quiz

### 6 Questions

1 m

10 mm

1,000 m

1,000 ml

1,000 g

6

5

8

7

9

3.6

2.4

1.6

0

0.9

## Exit quiz

### 6 Questions

450 p

160 p

480 p

90 p

720 p

800 p