Keystones — Cornerstone

Five GCSE retrieval questions · 1 March 2022 · mathsvault.uk/keystones

1. Number

Add: ³⁄₆ + ³⁄₅

Answer: ¹¹⁄₁₀
2. Algebra

What is the next term? 8, 32, 128, 512, ...

Answer: 2048
3. Geometry

Calculate the area of a circle with diameter 17cm

Answer: 226.98cm²
4. Ratio

Simplify: 16:20:8

Answer: 4:5:2
5. Statistics

Calculate the range of: 56, 50, 56, 61, 66, 96

Answer: 46

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