Keystones — Cornerstone
Five GCSE retrieval questions · 1 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 26 + 50
Answer: 26 + 50 = 76 -
2. Algebra
Factorise: 8x + 12
Answer: 4(2x + 3) -
3. Geometry
Find the area of a circle with radius 10cm
Answer: 314.16cm² -
4. Ratio
Simplify: 9:9:18
Answer: 1:1:2 -
5. Statistics
Calculate the range of: 56, 44, 69, 62, 34, 25
Answer: 44