Keystones — Capstone
Five GCSE retrieval questions · 23 January 2026 · mathsvault.uk/keystones
-
1. Number Dividing in standard form
Divide: 1.1 × 108 ÷ 7.7 × 104
Answer: 1.43 × 103 -
2. Algebra Solving non-monic quadratics
Solve: 6x² + 11x + 3 = 0
Answer: x = -1⁄2 or x = -1 -
3. Geometry Sohcahtoa — missing angle
Adjacent = 28cm, hypotenuse = 38cm. Find the angle
Answer: 42.5° -
4. Ratio Mixed ratio problems
£279.00 is shared between A and B in the ratio 4:5. How much does A receive?
Answer: £124.00 -
5. Statistics Median
Find the median of: 78, 64, 64, 44, 20, 59, 76, 51, 55, 77
Answer: 64