Keystones — Bedrock
Five GCSE retrieval questions · 23 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 7.7 + 3.7
Answer: 7.7 + 3.7 = 11.4 -
2. Algebra
Expand: 5(x + 6)
Answer: 5x + 30 -
3. Geometry
Opposite = 10cm, hypotenuse = 14.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics
Find the median of: 14, 16, 19, 17, 18
Answer: 17