Keystones — Lintel
Five GCSE retrieval questions · 28 February 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 37 + ? = 194
Answer: 157 -
2. Algebra
Solve: 3x = 15
Answer: x = 5 -
3. Geometry
Opposite = 11cm, adjacent = 12cm. Calculate the angle
Answer: 42.5° -
4. Ratio
Simplify: 12:18:6
Answer: 2:3:1 -
5. Statistics
Calculate the mean of: 23, 11, 13, 20, 38, 46, 26, 35
Answer: 26.5