Keystones — Bedrock
Five GCSE retrieval questions · 24 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄5 + 1⁄5
Answer: 4⁄5 -
2. Algebra
Simplify: 5x + 5x
Answer: 10x -
3. Geometry
Opposite = 5cm, hypotenuse = 5.8cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics
Find the mean of: 18, 5, 11
Answer: 11.333333333333