A4i – Index laws and solving equations involving indices

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Prerequisites

Part 1 – Indices basics

Make sure you are comfortable with topics N7a and N7b before starting on this.

Teacher resources for Part 1

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  • Slides in PPTX (with click-to-reveal answers)
  • Slides in PDF (one slide per page, suitable for importing into IWB software)

Part 2 – Index laws: Multiplication of powers

Teacher resources for Part 2

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  • Slides in PPTX (with click-to-reveal answers)
  • Slides in PDF (one slide per page, suitable for importing into IWB software)
Links to past exam questions

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Part 3 – Index laws: Division of powers

Teacher resources for Part 3

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  • Slides in PPTX (with click-to-reveal answers)
  • Slides in PDF (one slide per page, suitable for importing into IWB software)
Links to past exam questions

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Part 4 – Index laws: Raising a power to a power

Teacher resources for Part 4

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  • Slides in PPTX (with click-to-reveal answers)
  • Slides in PDF (one slide per page, suitable for importing into IWB software)
Links to past exam questions

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Part 5 – Solving equations involving indices

Teacher resources for Part 5

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  • Slides in PPTX (with click-to-reveal answers)
  • Slides in PDF (one slide per page, suitable for importing into IWB software)
Links to past exam and UKMT questions

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Interactive applet: writing as a single power

This applet generates questions that can be answer these questions without using a calculator. Just look for clever ways to rewrite certain products and factorise sums!

What next?