Keystones — Bedrock
Five GCSE retrieval questions · 25 November 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 31 + 10
Answer: 31 + 10 = 41 -
2. Algebra
Simplify: 6x + 7x
Answer: 13x -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics
Find the mean of: 20, 20, 9, 16
Answer: 16.25