Keystones — Bedrock
Five GCSE retrieval questions · 7 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 47 + 47
Answer: 47 + 47 = 94 -
2. Algebra
Simplify: 3x + 3x
Answer: 6x -
3. Geometry
Opposite = 12cm, hypotenuse = 17cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics
Find the mean of: 8, 6, 16, 20
Answer: 12.5