Keystones — Bedrock
Five GCSE retrieval questions · 17 May 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 22 + 42
Answer: 22 + 42 = 64 -
2. Algebra
Factorise: 12x + 21
Answer: 3(4x + 7) -
3. Geometry
Opposite = 7cm, hypotenuse = 8.cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics
What is the probability of rolling a 5 on a fair die?
Answer: 1⁄6