Keystones — Cornerstone
Five GCSE retrieval questions · 2 May 2022 · mathsvault.uk/keystones
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1. Number
Add: 1⁄5 + 3⁄6
Answer: 7⁄10 -
2. Algebra
Solve: 5x = 45
Answer: x = 9 -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Simplify the ratio 14:12
Answer: 7:6 -
5. Statistics
Find the mean of: 7, 9, 17, 8, 14
Answer: 11