Keystones — Cornerstone
Five GCSE retrieval questions · 26 June 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 94 + 90
Answer: 94 + 90 = 184 -
2. Algebra
Solve: 2x = 28
Answer: x = 14 -
3. Geometry
Find the area of a circle with radius 3cm
Answer: 28.27cm² -
4. Ratio
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics
Find the mean of: 7, 16, 18
Answer: 13.666666666667