Keystones — Bedrock
Five GCSE retrieval questions · 20 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 35 + 20
Answer: 35 + 20 = 55 -
2. Algebra
Simplify: 6x + 6x
Answer: 12x -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics
Find the range of: 34, 21, 39, 37, 20
Answer: 19