Keystones — Cornerstone
Five GCSE retrieval questions · 22 May 2026 · mathsvault.uk/keystones
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1. Number Dividing fractions
Divide: 1⁄5 ÷ 4⁄8
Answer: 2⁄5 -
2. Algebra Two-step inequalities
Solve: 3x + 5 < 45
Answer: x < 13.3 -
3. Geometry Area of a right-angled triangle
Find the area of a right triangle with base 8cm and height 10cm
Answer: 40cm² -
4. Ratio Unitary method
If 7 items cost £28.00, how much do 8 items cost?
Answer: £32.00 -
5. Statistics Mode
What are the modes of: 18, 19, 38, 33, 19, 38
Answer: 19 and 38