Keystones — Bedrock
Five GCSE retrieval questions · 2 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 27 + 26
Answer: 27 + 26 = 53 -
2. Algebra
Simplify: 5x + 2x
Answer: 7x -
3. Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics
Find the mean of: 11, 20, 10, 9, 18
Answer: 13.6