Keystones — Lintel
Five GCSE retrieval questions · 17 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 854 + 986
Answer: 854 + 986 = 1840 -
2. Algebra
For y = x³ + 4, calculate y when x = 2
Answer: y = 12 -
3. Geometry
Find the perimeter: hypotenuse = 20cm, one side = 14cm
Answer: 48.3cm -
4. Ratio
Simplify: 12:16:8
Answer: 3:4:2 -
5. Statistics
Find the range of: 19, 20, -13, 45, 14
Answer: 58