Keystones — Bedrock
Five GCSE retrieval questions · 17 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 5.2 + 1.7
Answer: 5.2 + 1.7 = 6.9 -
2. Algebra
Simplify: 5x + 7x
Answer: 12x -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics
Find the mean of: 9, 4, 15
Answer: 9.3333333333333