Keystones — Bedrock
Five GCSE retrieval questions · 21 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 4.6 + 3.4
Answer: 4.6 + 3.4 = 8 -
2. Algebra
Simplify: 3x + 4x
Answer: 7x -
3. Geometry
Opposite = 10cm, hypotenuse = 14.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics
Find the mean of: 20, 11, 9
Answer: 13.333333333333