Keystones — Cornerstone
Five GCSE retrieval questions · 14 October 2026 · mathsvault.uk/keystones
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1. Number Dividing fractions
Calculate: 6⁄4 ÷ 3
Answer: 1⁄2 -
2. Algebra Two-step inequalities
Solve: 2x + 3 < 26
Answer: x < 11.5 -
3. Geometry Area of a right-angled triangle
Calculate the area of a right triangle with perpendicular sides 11cm and 7cm
Answer: 38.5cm² -
4. Ratio Unitary method
If 8 items cost £48.00, how much do 15 items cost?
Answer: £90.00 -
5. Statistics Mode
What are the modes of: 19, 37, 11, 28, 11, 37
Answer: 11 and 37