Keystones — Bedrock
Five GCSE retrieval questions · 11 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 23 + 39
Answer: 23 + 39 = 62 -
2. Algebra
Simplify: 9x + 8x
Answer: 17x -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 25% of 76
Answer: 19 -
5. Statistics
Find the range of: 22, 22, 32, 38, 10
Answer: 28