Keystones — Bedrock
Five GCSE retrieval questions · 17 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 14 + 19
Answer: 14 + 19 = 33 -
2. Algebra
Factorise: 35x + 40
Answer: 5(7x + 8) -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2