Securing understanding of ratio as a multiplicative relationship
I can reason about ratios in a context.
Securing understanding of ratio as a multiplicative relationship
I can reason about ratios in a context.
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Lesson details
Key learning points
- A ratio describes as connection between two values.
- This relationship is multiplicative, not additive.
- Adding the same amount to each part of the ratio changes the ratio.
Keywords
Ratio - A ratio shows the relative sizes of 2 or more values and allows you to compare a part with another part in a whole.
Common misconception
Using multiplication as repeated addition leads to incorrect additive strategies of ratios.
Focus on the multiplicative relationships between parts to whole or whole to parts. Ratio allow the multiplicative relationship to be seen.
To help you plan your year 7 maths lesson on: Securing understanding of ratio as a multiplicative relationship, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 7 maths lesson on: Securing understanding of ratio as a multiplicative relationship, 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 3 maths lessons from the Understanding multiplicative relationships: fractions and ratio 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
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