Keystones — Cornerstone
Five GCSE retrieval questions · 2 December 2022 · mathsvault.uk/keystones
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1. Number
Find the total of 108, 215, and 67
Answer: 390 -
2. Algebra
Simplify: 4x + 7x
Answer: 11x -
3. Geometry
Calculate the area of a circle with diameter 21cm
Answer: 346.36cm² -
4. Ratio
Simplify the ratio 21:24
Answer: 7:8 -
5. Statistics
Calculate the range of: 91, 92, 110, 50, 35, 42
Answer: 75