Use the additive relationship to rearrange addition equations
I can rearrange addition equations.
Use the additive relationship to rearrange addition equations
I can rearrange addition equations.
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Lesson details
Key learning points
- Equations can be represented using part-part-whole or bar models.
- The sum is the whole and the addends are parts.
- Equations can be written starting with the addends or with the sum.
Keywords
Addend - An addend is a number added to another.
Sum - The the total when numbers are added together.
Equation - An equation shows that one number or calculation is equal to another.
Common misconception
Pupils may struggle starting equations with the sum. They may think = means 'the answer is..'
Ensure that children understand that 'equals' means that the equation balances (i.e. both sides have the same value.) This could be achieved through using balance scales and attaching the idea of equals with balance.
To help you plan your year 3 maths lesson on: Use the additive relationship to rearrange addition equations, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 3 maths lesson on: Use the additive relationship to rearrange addition equations, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 2 maths lessons from the Understand additive relationships and apply them to rearrange equations unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
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Lesson video
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Starter quiz
6 Questions
Exit quiz
6 Questions
