Keystones — Bedrock
Five GCSE retrieval questions · 10 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 33 + 15
Answer: 33 + 15 = 48 -
2. Algebra
Factorise: 32x + 8
Answer: 4(8x + 2) -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics
Find the range of: 21, 21, 7, 11, 9
Answer: 14