Keystones — Bedrock
Five GCSE retrieval questions · 4 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 7.1 + 3.5
Answer: 7.1 + 3.5 = 10.6 -
2. Algebra
Simplify: 8x + 4x
Answer: 12x -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 50% of 128
Answer: 64 -
5. Statistics
Find the mean of: 2, 19, 16
Answer: 12.333333333333