Keystones — Bedrock
Five GCSE retrieval questions · 9 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 47 + 44
Answer: 47 + 44 = 91 -
2. Algebra
Solve: x + 3 = 23
Answer: x = 20 -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2