Keystones — Bedrock
Five GCSE retrieval questions · 27 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 39 + 10
Answer: 39 + 10 = 49 -
2. Algebra
Simplify: 9x + 7x
Answer: 16x -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics
Find the mean of: 12, 14, 5, 5
Answer: 9