Keystones — Lintel
Five GCSE retrieval questions · 27 June 2021 · mathsvault.uk/keystones
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1. Number
What is ∛27?
Answer: 3 -
2. Algebra
Solve: 4x + 11 = x - 3
Answer: x = 4.7 -
3. Geometry
Opposite = 10cm, adjacent = 12cm. Calculate the angle
Answer: 39.8° -
4. Ratio
Find 53% of 375
Answer: 198.75 -
5. Statistics
Calculate the mean of: 13, 6, 20, 47, 49, 31, 45, 6
Answer: 27.1