Keystones — Bedrock
Five GCSE retrieval questions · 12 June 2025 · mathsvault.uk/keystones
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1. Number
Calculate: -1 + 9
Answer: 8 -
2. Algebra
Simplify: 7x + 4x
Answer: 11x -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics
Find the mean of: 20, 5, 6
Answer: 10.333333333333