Keystones — Bedrock
Five GCSE retrieval questions · 10 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 44 + 17
Answer: 44 + 17 = 61 -
2. Algebra
Factorise: 15x + 18
Answer: 3(5x + 6) -
3. Geometry
Opposite = 10cm, hypotenuse = 14.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 35:20
Answer: 7:4 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2