Keystones — Bedrock
Five GCSE retrieval questions · 10 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 67 + 56
Answer: 67 + 56 = 123 -
2. Algebra
Simplify: 4x + 5x
Answer: 9x -
3. Geometry
Opposite = 5cm, hypotenuse = 10cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics
Find the mean of: 15, 16, 16
Answer: 15.666666666667