Keystones — Capstone
Five GCSE retrieval questions · 30 March 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 8 × 106 × 7.9 × 104
Answer: 6.32 × 1011 -
2. Algebra Inequalities with unknowns on both sides
Solve: 7x + 10 ≤ 4x - 6
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 9:4, the difference between shares is 105. What is the total?
Answer: 273 -
5. Statistics Mode
Find the mode of: 25, 42, 77, 62, 15
Answer: No mode