Keystones — Bedrock
Five GCSE retrieval questions · 27 February 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 4⁄8 + 1⁄8
Answer: 5⁄8 -
2. Algebra
Simplify: 9x + 2x
Answer: 11x -
3. Geometry
Opposite = 7cm, hypotenuse = 8.cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 10% of 155
Answer: 15.5 -
5. Statistics
Find the mean of: 15, 17, 14
Answer: 15.333333333333