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Prerequisites
Collecting like terms
Click the tabs for extension tasks…
- Simplify \(a-2a+3a-4a+5a-6a+…+49a-50a\)
- Consider consecutive pairs of terms, starting from the beginning.
- \(-25a\)
- Fill in the blank: \((2x+1)+(2x+1)+(2x+1)+(2x+1) \equiv\) ___\((2x+1)\)
- \(4\)
Teacher resources
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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)
- Worksheet (with space for student work)
- Handout (slides with exercises only; 4 per page for reduced printing)
- Addition pyramid generator (one variable) – suitable for use on an interactive whiteboard. Answers available.
- Addition pyramid generator (two variables) – suitable for use on an interactive whiteboard. Answers available.
Links to past exam questions
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Unlimited practice questions (easy)
Unlimited practice questions (harder)
In the real world
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