Keystones — Bedrock
Five GCSE retrieval questions · 18 June 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 8 + (-2)
Answer: 6 -
2. Algebra
Simplify: 7x + 8x
Answer: 15x -
3. Geometry
Opposite = 5cm, hypotenuse = 7.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics
Find the mean of: 17, 6, 18, 5, 2
Answer: 9.6