Keystones — Bedrock
Five GCSE retrieval questions · 25 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: -1 + 2
Answer: 1 -
2. Algebra
Simplify: 4x + 3x
Answer: 7x -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics
Find the mean of: 7, 8, 18, 19
Answer: 13