Keystones — Cornerstone

Five GCSE retrieval questions · 9 March 2024 · mathsvault.uk/keystones

1. Number

80000

Answer: 8 × 10⁴
2. Algebra

Find the next term: 5, 13, 21, 29, ...

Answer: 37
3. Geometry

Calculate the area of a circle with diameter 17cm

Answer: 226.98cm²
4. Ratio

Calculate 25% of 174

Answer: 43.5
5. Statistics

Find the range of: 9, 18, 9, 22, 8

Answer: 14

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