Keystones — Capstone
Five GCSE retrieval questions · 25 August 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 6.7 × 104 × 7.7 × 106
Answer: 5.16 × 1011 -
2. Algebra Inequalities with unknowns on both sides
Solve: 6x + 10 ≤ 4x - 6
Answer: x ≤ 8 -
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 2:1, the difference between shares is 100. What is the total?
Answer: 300 -
5. Statistics Mode
Find the mode of: 76, 56, 29, 42, 13
Answer: No mode