Keystones — Lintel
Five GCSE retrieval questions · 9 April 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 92 + ? = 182
Answer: 90 -
2. Algebra
Solve: x⁄2 = 6
Answer: x = 12 -
3. Geometry
Opposite = 19cm, adjacent = 8cm. Calculate the angle
Answer: 67.2° -
4. Ratio
Simplify: 16:24:16
Answer: 2:3:2 -
5. Statistics
Calculate the mean of: 12, 31, 29, 47, 33, 14
Answer: 27.7