Explain how doubling and halving are related
I can explain how doubling and halving are related.
Explain how doubling and halving are related
I can explain how doubling and halving are related.
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Lesson details
Key learning points
- If double 4 is 8, then half of 8 is 4
- Halving means to partition the number into two equal groups.
- Halving is the inverse of doubling.
- Whether doubling or halving, we can also see these as our 2 times tables facts.
Keywords
Double / Doubling - To become twice as many / to multiply by two.
Half / Halving - One of two equal parts of a whole. To divide into two equal parts.
Common misconception
Children may inaccurately recall related doubling facts to solve halving problems.
Represent each problem as a bar model (as the whole and two equal parts) before solving. Encourage children to check that the two equal parts are equal to the whole.
To help you plan your year 2 maths lesson on: Explain how doubling and halving are related, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 2 maths lesson on: Explain how doubling and halving are related, 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 Multiplying by 2, doubling and halving (factors and products) unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
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Starter quiz
6 Questions
Exit quiz
6 Questions
