Keystones — Bedrock
Five GCSE retrieval questions · 1 February 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 1.6 + 9.5
Answer: 1.6 + 9.5 = 11.1 -
2. Algebra
Simplify: 6x + 8x
Answer: 14x -
3. Geometry
Find the area of a circle with radius 10cm
Answer: 314.16cm² -
4. Ratio
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics
Find the mean of: 8, 19, 16, 2, 18
Answer: 12.6