Keystones — Bedrock
Five GCSE retrieval questions · 8 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 27 + 12
Answer: 27 + 12 = 39 -
2. Algebra
Simplify: 4x + 5x
Answer: 9x -
3. Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 10% of 197
Answer: 19.7 -
5. Statistics
Find the mean of: 16, 13, 11, 8, 9
Answer: 11.4