Keystones — Capstone
Five GCSE retrieval questions · 9 July 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 2.9 × 104 × 6.6 × 105
Answer: 1.91 × 1010 -
2. Algebra Inequalities with unknowns on both sides
Solve: 5x + 6 ≤ 3x - 7
Answer: x ≤ 6.5 -
3. Geometry Area using Pythagoras
A right triangle has hypotenuse 17cm and one side 8cm. Find its area
Answer: 60cm² -
4. Ratio Ratio given the difference
In ratio 7:4, the difference between shares is 132. What is the total?
Answer: 484 -
5. Statistics Mode
Find the mode of: 45, 15, 76, 31, 63
Answer: No mode