Add 3 numbers together in different contexts

I can represent addition problems using ‘first, then, then, now’ and bar models.

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Year 3

Add 3 numbers together in different contexts

I can represent addition problems using ‘first, then, then, now’ and bar models.

Download all resources

Share activities with pupils

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Lesson details

Key learning points

Addition of three addends can be described with a first …, then …, then …, now structure.
A bar model can be used to represent a problem with three addends.
A number line can be used to represent a problem with three addends.

Keywords

Addend - A number added to another number.
Sum - The total when numbers are added together.

Common misconception

Pupils may not be confident in representing addition problems using bar models.

Make connections between bar models, tens frames and 'first...then...then...now' representations. Take time to model examples.

Tens frames, bar models and 'first...then...then...now' can be used to represent addition with three addends. Encourage pupils to use manipulatives alongside their own drawn representations.

Teacher tip

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).