Keystones — Cornerstone
Five GCSE retrieval questions · 15 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 231 + 612
Answer: 231 + 612 = 843 -
2. Algebra
Solve: 4x = 24
Answer: x = 6 -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Find 55% of 253
Answer: 139.15 -
5. Statistics
Calculate the range of: 53, 47, 88, 95, 36, 92
Answer: 59