Keystones — Bedrock
Five GCSE retrieval questions · 7 May 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 23 + 40
Answer: 23 + 40 = 63 -
2. Algebra
Factorise: 24x + 18
Answer: 6(4x + 3) -
3. Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics
Find the mean of: 9, 11, 13, 4, 10
Answer: 9.4