Keystones — Bedrock
Five GCSE retrieval questions · 15 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 33 + 32
Answer: 33 + 32 = 65 -
2. Algebra
Factorise: 16x + 14
Answer: 2(8x + 7) -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics
Find the mean of: 5, 15, 4, 14, 3
Answer: 8.2