Keystones — Bedrock
Five GCSE retrieval questions · 11 February 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 36 + 79
Answer: 36 + 79 = 115 -
2. Algebra
Factorise: 8x + 4
Answer: 2(4x + 2) -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics
Find the mean of: 8, 6, 9
Answer: 7.6666666666667