Keystones — Capstone
Five GCSE retrieval questions · 2 April 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 5.5 × 105 × 8.8 × 104
Answer: 4.84 × 1010 -
2. Algebra Inequalities with unknowns on both sides
Solve: 3x + 8 ≤ x - 5
Answer: x ≤ 6.5 -
3. Geometry Area using Pythagoras
Calculate the area of a right triangle with perpendicular sides 7cm and 7cm
Answer: 24.5cm² -
4. Ratio Ratio given the difference
In ratio 3:2, the difference between shares is 72. What is the total?
Answer: 360 -
5. Statistics Mode
Find the mode of: 42, 32, 14, 79, 62
Answer: No mode