Add three addends efficiently by finding two addends that total 10
I can use my knowledge of number pairs to 10 to add three addends efficiently.
Add three addends efficiently by finding two addends that total 10
I can use my knowledge of number pairs to 10 to add three addends efficiently.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- The order of the addends can change and the sum stays the same.
- When adding three addends, it is efficient to first find two addends that sum to 10
- ___ add ___ is equal to 10 Then, 10 add ___ is equal to ___
Keywords
Addends - Any of the numbers that are added together.
Number pairs - Two numbers that sum to make 10
Efficient - Not wasting time or effort. An efficient strategy is one we can carry out easily.
Common misconception
If children record incorrectly, they could re-add an addend that has already been used to make a pair to 10
Carefully model how to record thinking, rewriting the new equation inclusive of 10 underneath.
To help you plan your year 2 maths lesson on: Add three addends efficiently by finding two addends that total 10, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 2 maths lesson on: Add three addends efficiently by finding two addends that total 10, 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 1 maths lessons from the Calculating within 20 unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Lesson video
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Starter quiz
6 Questions
9
7
5
6
8
+ 6
+ 4
+ 2
+ 5
10
12
18
14
16
greater than 10
less than 10
equal to 10
Exit quiz
6 Questions
