Keystones — Bedrock
Five GCSE retrieval questions · 3 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 6.1 + 8.1
Answer: 6.1 + 8.1 = 14.2 -
2. Algebra
Simplify: 5x + 2x
Answer: 7x -
3. Geometry
Opposite = 13cm, hypotenuse = 15cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics
What is the probability of rolling a 3 on a fair die?
Answer: 1⁄6