Keystones — Cornerstone
Five GCSE retrieval questions · 3 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 505 + 153
Answer: 505 + 153 = 658 -
2. Algebra
Solve: 2x = 6
Answer: x = 3 -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics
Calculate the mean of: 38, 44, 19, 44, 17, 25
Answer: 31.2