Keystones — Bedrock
Five GCSE retrieval questions · 22 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 30 + 32
Answer: 30 + 32 = 62 -
2. Algebra
Simplify: 6x + 3x
Answer: 9x -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2