N8a – Calculating exactly with fractions and with multiples of π

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Prerequisites

G17b – Circumference of a circle
G17c – Area of a circle
G17e – Perimeter and area of composite shapes made up of polygons and sectors of circles (helpful for the Gamma exercise and Exam-style questions)
G17f – Surface area and volume of spheres, pyramids, cones and composite solids (helpful for the Gamma exercise and Exam-style questions)

Calculating exactly with fractions and with multiples of π

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: Round a rectangle

Links to past exam and UKMT questions

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In the real world

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