Keystones — Bedrock
Five GCSE retrieval questions · 13 June 2022 · mathsvault.uk/keystones
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1. Number
Round 85 to the nearest 10
Answer: 90 -
2. Algebra
Simplify: 8x + 7x
Answer: 15x -
3. Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2