Keystones — Cornerstone
Five GCSE retrieval questions · 19 May 2026 · mathsvault.uk/keystones
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1. Number Dividing fractions
Calculate: 9⁄6 ÷ 5
Answer: 3⁄10 -
2. Algebra Two-step inequalities
Solve: 4x - 7 > 22
Answer: x > 7.3 -
3. Geometry Area of a right-angled triangle
Calculate the area of a right triangle with perpendicular sides 9cm and 9cm
Answer: 40.5cm² -
4. Ratio Unitary method
If 5 items cost £20.00, how much do 11 items cost?
Answer: £44.00 -
5. Statistics Mode
What are the modes of: 39, 11, 22, 11, 25, 39
Answer: 11 and 39