Keystones — Lintel
Five GCSE retrieval questions · 4 July 2026 · mathsvault.uk/keystones
-
1. Number Four operations with fractions
Subtract: 7⁄8 - 1⁄6
Answer: 17⁄24 -
2. Algebra Inequalities with unknowns on both sides
Solve: 5x + 11 ≤ 2x - 2
Answer: x ≤ 4.3 -
3. Geometry Speed, distance and time
How long does it take to travel 391km at 41km/h?
Answer: 9.5 hours -
4. Ratio Ratio given the difference
A and B share in ratio 5:2. If the difference is 57, what does A get?
Answer: 95 -
5. Statistics Simple probability
A bag has 4 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 4⁄11