Keystones — Bedrock
Five GCSE retrieval questions · 29 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 30 + 20
Answer: 30 + 20 = 50 -
2. Algebra
Simplify: 8x + 3x
Answer: 11x -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 35:10
Answer: 7:2 -
5. Statistics
Find the mean of: 16, 8, 10
Answer: 11.333333333333