Keystones — Cornerstone
Five GCSE retrieval questions · 26 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 68 + 84
Answer: 68 + 84 = 152 -
2. Algebra
Solve: 9x = 63
Answer: x = 7 -
3. Geometry
Find the area of a circle with radius 10cm
Answer: 314.16cm² -
4. Ratio
Calculate 50% of 110
Answer: 55 -
5. Statistics
Find the mean of: 5, 16, 12
Answer: 11