Keystones — Bedrock
Five GCSE retrieval questions · 28 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 20 + 41
Answer: 20 + 41 = 61 -
2. Algebra
Factorise: 10x + 6
Answer: 2(5x + 3) -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics
Find the mean of: 20, 16, 10
Answer: 15.333333333333