Keystones — Capstone
Five GCSE retrieval questions · 10 July 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 3.9 × 104 × 8.8 × 106
Answer: 3.43 × 1011 -
2. Algebra Inequalities with unknowns on both sides
Solve: 3x + 7 ≤ x - 4
Answer: x ≤ 5.5 -
3. Geometry Area using Pythagoras
Calculate the area of a right triangle with perpendicular sides 9cm and 11cm
Answer: 49.5cm² -
4. Ratio Ratio given the difference
In ratio 4:1, the difference between shares is 258. What is the total?
Answer: 430 -
5. Statistics Mode
Find the mode of: 32, 14, 57, 47, 71
Answer: No mode