Keystones — Cornerstone
Five GCSE retrieval questions · 14 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 94 + 75
Answer: 94 + 75 = 169 -
2. Algebra
Solve: 7x = 21
Answer: x = 3 -
3. Geometry
Calculate the area of a circle with diameter 22cm
Answer: 380.13cm² -
4. Ratio
Simplify the ratio 8:32
Answer: 1:4 -
5. Statistics
Calculate the range of: 65, 87, 60, 47, 100, 55
Answer: 53