Keystones — Cornerstone
Five GCSE retrieval questions · 18 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 380 + 296
Answer: 380 + 296 = 676 -
2. Algebra
Solve: 7x + 10 = 6x + 20
Answer: x = 10 -
3. Geometry
Calculate the area of a circle with diameter 24cm
Answer: 452.39cm² -
4. Ratio
Simplify: 16:8:20
Answer: 4:2:5 -
5. Statistics
Calculate the range of: 52, 49, 31, 73, 69, 75
Answer: 44