Keystones — Cornerstone
Five GCSE retrieval questions · 4 January 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 80 + 38
Answer: 80 + 38 = 118 -
2. Algebra
Solve: x + 7 = 14
Answer: x = 7 -
3. Geometry
Find the area of a circle with radius 10cm
Answer: 314.16cm² -
4. Ratio
Calculate 25% of 120
Answer: 30 -
5. Statistics
Calculate the mean of: 46, 18, 32, 34, 31, 12
Answer: 28.8