Keystones — Bedrock
Five GCSE retrieval questions · 22 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 87 + 26
Answer: 87 + 26 = 113 -
2. Algebra
Simplify: 7x + 3x
Answer: 10x -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 25% of 81
Answer: 20.25 -
5. Statistics
Find the median of: 6, 11, 11, 19, 14
Answer: 11