Keystones — Bedrock
Five GCSE retrieval questions · 23 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 95 - 80
Answer: 95 - 80 = 15 -
2. Algebra
Find the next term: 12, 17, 22, 27, ...
Answer: 32 -
3. Geometry
Opposite = 5cm, hypotenuse = 10cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 24:18
Answer: 4:3 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2