Keystones — Bedrock
Five GCSE retrieval questions · 1 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 32 + 33
Answer: 32 + 33 = 65 -
2. Algebra
Simplify: 2x + 7x
Answer: 9x -
3. Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2