R9c – Finding percentages and percentage changes multiplicatively using decimals

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Prerequisites

R9a – Converting between fractions, decimals and percentages (essential)
R9b – Finding percentages and percentage changes (basic) (desirable)

Part 1 – Finding percentages multiplicatively using decimals

Teacher resources for Part 1

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Slides in PDF (one slide per page, suitable for importing into IWB software)

Worksheet (with space for student work)
Handout (slides with exercises only; 4 per page for reduced printing)
- Worked solutions to all questions

Card sort

Links to past exam questions

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Unlimited practice questions: Turning a percentage into a decimal multiplier

Part 2 – Finding percentage changes multiplicatively using decimals

Teacher resources

Teachers: log in to access the following:

Slides in PDF (one slide per page, suitable for importing into IWB software)

Worksheet (with space for student work)
Handout (slides with exercises only; 4 per page for reduced printing)
- Worked solutions to all questions

Card sort

Links to past exam questions

Teachers: log in to access these.

Unlimited practice: Turning a 'percentage change' question into a 'find a percentage of...' question

Unlimited practice: Percentage change using decimal multipliers

In the real world

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What next?

R9d – Solving original value problems involving percentage change
R9e – Comparing two quantities using percentages
Percentages assorted problems – requiring knowledge of R9b, R9c, R9d and R9e

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