Keystones — Cornerstone
Five GCSE retrieval questions · 6 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 35 + 38
Answer: 35 + 38 = 73 -
2. Algebra
Solve: x + 10 = 30
Answer: x = 20 -
3. Geometry
Find the area of a circle with radius 10cm
Answer: 314.16cm² -
4. Ratio
Simplify: 8:12:8
Answer: 2:3:2 -
5. Statistics
Find the range of: 31, 17, 28, 24, 47
Answer: 30