G17a – Perimeter of polygons

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Prerequisites

Students will need to understand the definition of polygon, which may have been covered in lessons G1a, G1f, and G3c.
Students need to be comfortable with addition and multiplication from lesson N2a.

Perimeter of polygons

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)
- Worked solutions to all questions

Mashup activity: Perimeter bounds

Links to past exam questions

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Perimeter and arithmetic skills exercise: adding integers, decimals, surds and collecting like terms

In the real world

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What next?

G17b – Circumference of a circle
G17d – Perimeter and area of composite shapes made up of polygons
G17e – Perimeter and area of composite shapes made up of polygons and sectors of circles
G20a – Pythagoras’ theorem
Pythagoras and surds assorted problems – requiring knowledge of G20a, N8b, G17a, and G16c