Keystones — Bedrock
Five GCSE retrieval questions · 26 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 10 + 31
Answer: 10 + 31 = 41 -
2. Algebra
Factorise: 4x + 6
Answer: 2(2x + 3) -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics
Find the range of: 20, 37, 39, 26, 20
Answer: 19