Add three addends by finding pairs that total 10
I can recognise number pairs that total 10 and use them to find the sum of three numbers.
Add three addends by finding pairs that total 10
I can recognise number pairs that total 10 and use them to find the sum of three numbers.
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Lesson details
Key learning points
- Rearranging the addends identifies the pairs that total 10.
- Place value means we can add a single digit to 10.
- Representations help us to see the pair that makes 10 and the extra ones number.
Keywords
Addend - A number added to another.
Commutative - Addition is commutative. This means the order of the addends can be changed without changing the calculation or sum.
Equation - An equation is used to show that one number or calculation is equal to another.
Sum - The sum is the total when numbers are added together.
Common misconception
Pupils believe a pair to 10 only exists if the addends are next to one another in an equation.
Addition is commutative. Model the use of tens frames to show efficient addition of calculations containing number pairs to 10.
To help you plan your year 3 maths lesson on: Add three addends by finding pairs that total 10, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 3 maths lesson on: Add three addends by finding pairs that total 10, download all teaching resources for free and adapt to suit your pupils' needs.
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Explore more key stage 2 maths lessons from the Review strategies for adding and subtracting across 10 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
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