Keystones — Bedrock
Five GCSE retrieval questions · 2 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 54 + 85
Answer: 54 + 85 = 139 -
2. Algebra
Factorise: 15x + 25
Answer: 5(3x + 5) -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics
What is the probability of rolling a 3 on a fair die?
Answer: 1⁄6