Keystones — Lintel
Five GCSE retrieval questions · 20 March 2025 · mathsvault.uk/keystones
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1. Number
What is ∛64?
Answer: 4 -
2. Algebra
Solve: 9x = 36
Answer: x = 4 -
3. Geometry
Opposite = 12cm, adjacent = 12cm. Calculate the angle
Answer: 45° -
4. Ratio
Simplify: 12:16:16
Answer: 3:4:4 -
5. Statistics
Find the range of: -25, -19, 48, -10, 50
Answer: 75