Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 5⁄10 + 1⁄10
Answer: 3⁄5 -
2. Algebra
Factorise: 42x + 12
Answer: 6(7x + 2) -
3. Geometry
Opposite = 5cm, hypotenuse = 10cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 25% of 193
Answer: 48.25 -
5. Statistics
Find the median of: 17, 14, 9, 18, 12
Answer: 14