Use knowledge of addition to add commonly used prices efficiently
I can use knowledge of addition to add commonly used prices efficiently
Use knowledge of addition to add commonly used prices efficiently
I can use knowledge of addition to add commonly used prices efficiently
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Lesson details
Key learning points
- Prices are often 1p or £1 lower than the next whole number of pounds so £2.99 not £3.00
- A number line supports rounding and adjusting strategies
- You might round one addend or all the addends
- Adjust the answer according to the rounding
Keywords
Addend - An addend is a number added to another number.
Round - When you round a number, you are making a number less accurate, but keeping it close to its original value.
Adjust - When you adjust a number you make a small change to it.
Redistribution - Redistribution is where part of one addend is moved to another addend.
Common misconception
Pupils use inefficient calculation strategies such as always using columnar methods.
Promote efficient mental strategies and model clear examples of the use of these.
To help you plan your year 4 maths lesson on: Use knowledge of addition to add commonly used prices efficiently, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 4 maths lesson on: Use knowledge of addition to add commonly used prices efficiently, 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 Money: apply efficient strategies when calculating with money unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
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