Keystones — Cornerstone
Five GCSE retrieval questions · 20 June 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 233 + 286
Answer: 233 + 286 = 519 -
2. Algebra
Solve: x + 11 = 28
Answer: x = 17 -
3. Geometry
Calculate the area of a circle with diameter 21cm
Answer: 346.36cm² -
4. Ratio
Simplify: 8:6:4
Answer: 4:3:2 -
5. Statistics
Find the range of: 36, 11, 30, 40, 13
Answer: 29