Keystones — Bedrock
Five GCSE retrieval questions · 25 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 45 + 28
Answer: 45 + 28 = 73 -
2. Algebra
Simplify: 5x + 5x
Answer: 10x -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 25% of 191
Answer: 47.75 -
5. Statistics
Find the mean of: 16, 3, 3
Answer: 7.3333333333333