Use knowledge of positive and negative numbers to calculate intervals
I can use knowledge of positive and negative numbers to calculate intervals.
Use knowledge of positive and negative numbers to calculate intervals
I can use knowledge of positive and negative numbers to calculate intervals.
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Lesson details
Key learning points
- Differences between values are always positive
- Calculating differences across zero is the same as bridging through zero
Keywords
Bridging - A strategy which uses addition or subtraction to cross a number boundary.
Partitioning - Splitting a number or object into smaller parts.
Common misconception
Pupils sometimes answer a question like ‘What is the difference between −5℃ and 3℃?’ with ‘−8℃’.
Remind pupils that these differences are always positive by asking them to count forwards from the lower value to the higher value.
To help you plan your year 5 maths lesson on: Use knowledge of positive and negative numbers to calculate intervals, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 5 maths lesson on: Use knowledge of positive and negative numbers to calculate intervals, 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 Negative numbers unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
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