Keystones — Capstone
Five GCSE retrieval questions · 8 July 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 5.5 × 104 × 4.3 × 106
Answer: 2.37 × 1011 -
2. Algebra Inequalities with unknowns on both sides
Solve: 5x + 12 ≤ 2x - 4
Answer: x ≤ 5.3 -
3. Geometry Area using Pythagoras
A right triangle has hypotenuse 10cm and one side 6cm. Find its area
Answer: 24cm² -
4. Ratio Ratio given the difference
In ratio 9:2, the difference between shares is 294. What is the total?
Answer: 462 -
5. Statistics Mode
Find the mode of: 33, 47, 78, 15, 58
Answer: No mode