Keystones — Bedrock
Five GCSE retrieval questions · 12 June 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 51 + 70
Answer: 51 + 70 = 121 -
2. Algebra
Factorise: 30x + 48
Answer: 6(5x + 8) -
3. Geometry
Opposite = 11cm, hypotenuse = 22cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 20:40
Answer: 1:2 -
5. Statistics
Find the range of: 17, 17, 23, 16, 26
Answer: 10