Keystones — Lintel
Five GCSE retrieval questions · 2 August 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 145 + 983
Answer: 145 + 983 = 1128 -
2. Algebra
Collect like terms: 8x + 5y + 2x + 3y
Answer: 10x + 8y -
3. Geometry
Calculate perimeter: two sides are 9cm and 7cm at right angles
Answer: 27.4cm -
4. Ratio
Find 83% of 300
Answer: 249 -
5. Statistics
Find the range of: -8, 26, -26, -6, 43
Answer: 69