Keystones — Bedrock
Five GCSE retrieval questions · 14 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 85 + 77
Answer: 85 + 77 = 162 -
2. Algebra
Simplify: 8x + 2x
Answer: 10x -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 10% of 196
Answer: 19.6 -
5. Statistics
Find the range of: 25, 44, 16, 37, 19
Answer: 28