Keystones — Lintel
Five GCSE retrieval questions · 23 August 2026 · mathsvault.uk/keystones
-
1. Number Four operations with fractions
Subtract: 7⁄10 - 2⁄3
Answer: 1⁄30 -
2. Algebra Inequalities with unknowns on both sides
Solve: 6x + 10 ≤ x - 3
Answer: x ≤ 2.6 -
3. Geometry Speed, distance and time
How long does it take to travel 207km at 75km/h?
Answer: 2.8 hours -
4. Ratio Ratio given the difference
In ratio 4:3, the difference between shares is 66. What is the total?
Answer: 462 -
5. Statistics Simple probability
A bag has 6 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 6⁄11