Keystones — Bedrock
Five GCSE retrieval questions · 27 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 4.2 + 9
Answer: 4.2 + 9 = 13.2 -
2. Algebra
Find the next term: 17, 22, 27, 32, ...
Answer: 37 -
3. Geometry
Opposite = 10cm, hypotenuse = 20cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 10% of 37
Answer: 3.7 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2