Keystones — Cornerstone
Five GCSE retrieval questions · 26 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 32 + 55
Answer: 32 + 55 = 87 -
2. Algebra
Solve: x + 5 = 8
Answer: x = 3 -
3. Geometry
Calculate the area of a circle with diameter 14cm
Answer: 153.94cm² -
4. Ratio
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics
Find the mean of: 6, 8, 20, 14
Answer: 12