Keystones — Bedrock
Five GCSE retrieval questions · 18 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 46 + 25
Answer: 46 + 25 = 71 -
2. Algebra
Simplify: 9x + 9x
Answer: 18x -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2