Keystones — Bedrock
Five GCSE retrieval questions · 30 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 13 + 2 × 2
Answer: 17 -
2. Algebra
Simplify: 3x + 4x
Answer: 7x -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics
What is the probability of rolling a 4 on a fair die?
Answer: 1⁄6