Keystones — Bedrock
Five GCSE retrieval questions · 10 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 76 + 21
Answer: 76 + 21 = 97 -
2. Algebra
Factorise: 12x + 42
Answer: 6(2x + 7) -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics
Find the range of: 29, 36, 36, 7, 6
Answer: 30