Keystones — Cornerstone
Five GCSE retrieval questions · 27 February 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 30 + 37
Answer: 30 + 37 = 67 -
2. Algebra
Solve: 9x = 135
Answer: x = 15 -
3. Geometry
Find the area of a circle with radius 3cm
Answer: 28.27cm² -
4. Ratio
Simplify: 8:12:12
Answer: 2:3:3 -
5. Statistics
Find the mean of: 15, 11, 10, 14
Answer: 12.5