Keystones — Capstone
Five GCSE retrieval questions · 3 April 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 7.3 × 107 × 6 × 104
Answer: 4.38 × 1012 -
2. Algebra Inequalities with unknowns on both sides
Solve: 5x + 4 ≤ 3x - 6
Answer: x ≤ 5 -
3. Geometry Area using Pythagoras
Calculate the area of a right triangle with perpendicular sides 15cm and 8cm
Answer: 60cm² -
4. Ratio Ratio given the difference
In ratio 9:4, the difference between shares is 240. What is the total?
Answer: 624 -
5. Statistics Mode
Find the mode of: 73, 46, 64, 33, 10
Answer: No mode