Keystones — Bedrock
Five GCSE retrieval questions · 29 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 16 + 22
Answer: 16 + 22 = 38 -
2. Algebra
Factorise: 32x + 20
Answer: 4(8x + 5) -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 24:28
Answer: 6:7 -
5. Statistics
What is the probability of rolling a 4 on a fair die?
Answer: 1⁄6