Keystones — Cornerstone
Five GCSE retrieval questions · 2 February 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 91 + 42
Answer: 91 + 42 = 133 -
2. Algebra
Collect like terms: 6x + 4y + 3x + 6y
Answer: 9x + 10y -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics
Calculate the range of: 93, 101, 34, 39, 35, 89
Answer: 67