Keystones — Capstone
Five GCSE retrieval questions · 1 April 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 4.2 × 107 × 7.3 × 104
Answer: 3.07 × 1012 -
2. Algebra Inequalities with unknowns on both sides
Solve: 7x + 5 ≤ 4x - 5
Answer: x ≤ 3.3 -
3. Geometry Area using Pythagoras
Calculate the area of a right triangle with perpendicular sides 8cm and 6cm
Answer: 24cm² -
4. Ratio Ratio given the difference
In ratio 3:2, the difference between shares is 42. What is the total?
Answer: 210 -
5. Statistics Mode
Find the mode of: 79, 25, 47, 57, 10
Answer: No mode