Keystones — Cornerstone
Five GCSE retrieval questions · 12 June 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 798 + 220
Answer: 798 + 220 = 1018 -
2. Algebra
Collect like terms: 5x + 8y + 8x + 4y
Answer: 13x + 12y -
3. Geometry
Find the area of a circle with radius 5cm
Answer: 78.54cm² -
4. Ratio
Simplify: 16:8:16
Answer: 2:1:2 -
5. Statistics
Calculate the mean of: 30, 15, 12, 41, 41, 16, 12, 33
Answer: 25