Keystones — Bedrock
Five GCSE retrieval questions · 6 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 18 + 11
Answer: 18 + 11 = 29 -
2. Algebra
Simplify: 6x + 4x
Answer: 10x -
3. Geometry
Opposite = 10cm, hypotenuse = 14.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 50% of 49
Answer: 24.5 -
5. Statistics
Find the mean of: 8, 7, 14, 20, 7
Answer: 11.2