Keystones — Bedrock
Five GCSE retrieval questions · 24 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 12 + 2 × 3
Answer: 18 -
2. Algebra
Simplify: 5x + 7x
Answer: 12x -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics
Find the mean of: 19, 7, 8
Answer: 11.333333333333