Explain different strategies used to subtract
I can explain different strategies used to subtract.
Explain different strategies used to subtract
I can explain different strategies used to subtract.
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Lesson details
Key learning points
- Known strategies can be used to help subtract two 2-digit numbers efficiently.
- It is important to be able to calculate mentally when beginning to subtract two 2-digit numbers.
Keywords
Calculate - To work out an answer, often by adding or subtracting.
Efficiently - Not wasting time or effort. An efficient strategy is one we can carry out easily.
Common misconception
Children do not always make the link to prior learning automatically, so when new numbers are introduced, they can sometimes revert to inefficient strategies.
It is important that the use of efficient strategies that are already known are focused upon when equations with new numbers are introduced so that prior knowledge can be used to support new learning and children can continue to work efficiently.
To help you plan your year 2 maths lesson on: Explain different strategies used to subtract, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 2 maths lesson on: Explain different strategies used to subtract, 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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Explore more key stage 1 maths lessons from the Addition and subtraction of two 2-digit numbers 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
Exit quiz
6 Questions
The ones digit will change from 8 to 2
The tens digit will change from 8 to 2
86 − 30 − 2 = ?
86 − 3 − 20 = ?
86 − 5 − 30 = ?
