Keystones — Cornerstone
Five GCSE retrieval questions · 4 April 2026 · mathsvault.uk/keystones
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1. Number Dividing fractions
Divide: 5⁄6 ÷ 1⁄4
Answer: 10⁄3 -
2. Algebra Two-step inequalities
Solve: 3x + 11 < 48
Answer: x < 12.3 -
3. Geometry Area of a right-angled triangle
Calculate the area of a right triangle with perpendicular sides 8cm and 7cm
Answer: 28cm² -
4. Ratio Unitary method
If 7 items cost £35.00, how much do 12 items cost?
Answer: £60.00 -
5. Statistics Mode
Find the mode of: 8, 12, 12, 5, 11, 12
Answer: 12