Keystones — Bedrock
Five GCSE retrieval questions · 14 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 21 + 35
Answer: 21 + 35 = 56 -
2. Algebra
Factorise: 12x + 32
Answer: 4(3x + 8) -
3. Geometry
Opposite = 7cm, hypotenuse = 8.cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics
Find the mean of: 17, 14, 8, 7, 16
Answer: 12.4