Keystones — Cornerstone
Five GCSE retrieval questions · 24 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 6⁄8 + 1⁄8
Answer: 7⁄8 -
2. Algebra
Simplify: 6x + 6x
Answer: 12x -
3. Geometry
Find the area of a circle with radius 5cm
Answer: 78.54cm² -
4. Ratio
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics
Find the mean of: 13, 8, 15, 12
Answer: 12