Keystones — Bedrock
Five GCSE retrieval questions · 2 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 21 + 16
Answer: 21 + 16 = 37 -
2. Algebra
Factorise: 6x + 9
Answer: 3(2x + 3) -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics
Find the mean of: 14, 6, 4
Answer: 8