Keystones — Capstone
Five GCSE retrieval questions · 4 April 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 4.9 × 107 × 3.7 × 103
Answer: 1.81 × 1011 -
2. Algebra Inequalities with unknowns on both sides
Solve: 7x + 10 ≤ 5x - 3
Answer: x ≤ 6.5 -
3. Geometry Area using Pythagoras
A right triangle has hypotenuse 13cm and one side 5cm. Find its area
Answer: 30cm² -
4. Ratio Ratio given the difference
In ratio 7:3, the difference between shares is 148. What is the total?
Answer: 370 -
5. Statistics Mode
Find the mode of: 50, 71, 19, 58, 26
Answer: No mode