Keystones — Cornerstone
Five GCSE retrieval questions · 26 August 2026 · mathsvault.uk/keystones
-
1. Number Dividing fractions
Divide: 1⁄4 ÷ 4⁄6
Answer: 3⁄8 -
2. Algebra Two-step inequalities
Solve: 4x - 7 > 21
Answer: x > 7 -
3. Geometry Area of a right-angled triangle
Find the area of a right triangle with base 11cm and height 4cm
Answer: 22cm² -
4. Ratio Unitary method
9 kg costs £13.60. What is the cost of 24 kg?
Answer: £36.27 -
5. Statistics Mode
Find the mode of: 12, 8, 7, 10, 8, 8
Answer: 8