# Use knowledge of place value to calculate with decimal numbers up to and bridging one tenth

I can use knowledge of place value to calculate with decimal numbers up to and bridging one tenth.

# Use knowledge of place value to calculate with decimal numbers up to and bridging one tenth

I can use knowledge of place value to calculate with decimal numbers up to and bridging one tenth.

## Slide deck

## Lesson details

### Key learning points

- 10 one hundredths is equal to one tenth or 0.1
- If 7 + 3 is equal to 10 then 7 hundredths + 3 hundredths is equal to 10 hundredths which is equal to one tenth 0.1
- Number facts and place value can be applied when adding hundredths which bridge one tenth.

### Common misconception

Pupils use a known fact but add or subtract with different place values (e.g. 0.6 + 0.04 = 0.1).

Unitise through the use of language to help identify this for pupils. For example: 6 hundredths plus 4 hundredths is equal to 10 hundredths.

### Keywords

Number fact - A simple calculation using two numbers.

Bridge / bridging - A mental strategy which uses addition or subtraction to cross a number boundary.

### 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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