Keystones — Cornerstone
Five GCSE retrieval questions · 24 April 2026 · mathsvault.uk/keystones
-
1. Number Multiplying fractions
Multiply: 4⁄6 × 5⁄4
Answer: 5⁄6 -
2. Algebra Expanding single brackets
Expand: 5(x + 4)
Answer: 5x + 20 -
3. Geometry Pythagoras — short side
Find b if a = 12cm and c = 16cm
Answer: 10.58cm -
4. Ratio Ratio given the difference
A and B share in ratio 5:2. If the difference is 75, what does A get?
Answer: 125 -
5. Statistics Range
Find the range of: 20, 14, 19, 16, 6
Answer: 14