Keystones — Cornerstone
Five GCSE retrieval questions · 29 December 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 167, 282, and 120
Answer: 569 -
2. Algebra
Solve: 6x = 30
Answer: x = 5 -
3. Geometry
Find the area of a circle with radius 3cm
Answer: 28.27cm² -
4. Ratio
Simplify: 8:12:8
Answer: 2:3:2 -
5. Statistics
Calculate the range of: 56, 79, 49, 48, 82, 80
Answer: 34