Keystones — Cornerstone
Five GCSE retrieval questions · 9 July 2026 · mathsvault.uk/keystones
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1. Number Dividing fractions
Divide: 5⁄7 ÷ 1⁄6
Answer: 30⁄7 -
2. Algebra Two-step inequalities
Solve: 5x - 8 > 17
Answer: x > 5 -
3. Geometry Area of a right-angled triangle
Find the area of a right triangle with base 9cm and height 8cm
Answer: 36cm² -
4. Ratio Unitary method
6 kg costs £31.60. What is the cost of 13 kg?
Answer: £68.47 -
5. Statistics Mode
What are the modes of: 37, 16, 37, 11, 32, 11
Answer: 11 and 37