Keystones — Bedrock
Five GCSE retrieval questions · 13 June 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 57 + 26
Answer: 57 + 26 = 83 -
2. Algebra
Solve: x + 6 = 23
Answer: x = 17 -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics
Find the mean of: 13, 20, 4
Answer: 12.333333333333