Review strategies for adding and subtracting across 10
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Why this why now
This first unit in Year 3 revisits and reviews single digit addition and subtraction facts, commutativity and bridging through ten. It gives pupils the opportunity to rehearse key facts that will be needed to work with the larger numbers introduced in the following units.
Prior knowledge requirements
- Recall number bonds to 10 and 20
- Use partitioning and recombining to make 10
- Apply mental strategies for addition and subtraction within 20
Threads
Why this why now
This first unit in Year 3 revisits and reviews single digit addition and subtraction facts, commutativity and bridging through ten. It gives pupils the opportunity to rehearse key facts that will be needed to work with the larger numbers introduced in the following units.
Prior knowledge requirements
- Recall number bonds to 10 and 20
- Use partitioning and recombining to make 10
- Apply mental strategies for addition and subtraction within 20
Review strategies for adding and subtracting across 10
In this unit pupils will be reviewing and securing previous knowledge of adding 3 addends, understanding they can be added in any order and combined in different ways to bridge through 10
10 lessons in unit
slide decks, worksheet PDFs, quizzes and lesson overviews. You can select individual lessons from the Review strategies for adding and subtracting across 10 unit and download the resources you need, or download the entire unit now. See every unit listed in our primary maths curriculum and discover more of our teaching resources for primary maths programmes.