Keystones — Lintel
Five GCSE retrieval questions · 17 May 2026 · mathsvault.uk/keystones
-
1. Number Four operations with fractions
Add: 2⁄3 + 2⁄8
Answer: 11⁄12 -
2. Algebra Inequalities with unknowns on both sides
Solve: 4x + 7 ≤ 3x - 3
Answer: x ≤ 10 -
3. Geometry Speed, distance and time
How long does it take to travel 203km at 40km/h?
Answer: 5.1 hours -
4. Ratio Ratio given the difference
In ratio 7:4, the difference between shares is 147. What is the total?
Answer: 539 -
5. Statistics Simple probability
A bag has 3 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2