Keystones — Lintel
Five GCSE retrieval questions · 12 May 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 35 + ? = 174
Answer: 139 -
2. Algebra
Solve: 7x = 70
Answer: x = 10 -
3. Geometry
Opposite = 13cm, adjacent = 14cm. Calculate the angle
Answer: 42.9° -
4. Ratio
Simplify: 18:15:9
Answer: 6:5:3 -
5. Statistics
Calculate the mean of: 18, 50, 29, 22, 6, 14, 38, 11
Answer: 23.5