Keystones — Cornerstone
Five GCSE retrieval questions · 17 October 2026 · mathsvault.uk/keystones
-
1. Number Dividing fractions
Divide: 4⁄4 ÷ 1⁄5
Answer: 5⁄1 -
2. Algebra Two-step inequalities
Solve: 3x + 4 < 21
Answer: x < 5.7 -
3. Geometry Area of a right-angled triangle
Find the area of a right triangle with base 12cm and height 12cm
Answer: 72cm² -
4. Ratio Unitary method
If 7 items cost £63.00, how much do 8 items cost?
Answer: £72.00 -
5. Statistics Mode
What are the modes of: 40, 40, 33, 24, 15, 15
Answer: 15 and 40