Keystones — Bedrock
Five GCSE retrieval questions · 10 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 49 + 31
Answer: 49 + 31 = 80 -
2. Algebra
Factorise: 8x + 12
Answer: 4(2x + 3) -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 10% of 53
Answer: 5.3 -
5. Statistics
Find the mean of: 15, 17, 20, 14, 8
Answer: 14.8