Keystones — Cornerstone
Five GCSE retrieval questions · 7 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 77 + 55
Answer: 77 + 55 = 132 -
2. Algebra
Solve: 2x = 16
Answer: x = 8 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Calculate 50% of 62
Answer: 31 -
5. Statistics
Find the range of: 5, 27, 17, 24, 20
Answer: 22