Keystones — Cornerstone
Five GCSE retrieval questions · 3 April 2026 · mathsvault.uk/keystones
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1. Number Dividing fractions
Divide: 2⁄7 ÷ 1⁄6
Answer: 12⁄7 -
2. Algebra Two-step inequalities
Solve: 6x + 5 < 46
Answer: x < 6.8 -
3. Geometry Area of a right-angled triangle
Calculate the area of a right triangle with perpendicular sides 14cm and 6cm
Answer: 42cm² -
4. Ratio Unitary method
9 kg costs £47.40. What is the cost of 12 kg?
Answer: £63.20 -
5. Statistics Mode
What are the modes of: 36, 12, 12, 27, 23, 36
Answer: 12 and 36