Keystones — Cornerstone
Five GCSE retrieval questions · 3 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 766 + 417
Answer: 766 + 417 = 1183 -
2. Algebra
Solve: 8x = 48
Answer: x = 6 -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify: 8:10:4
Answer: 4:5:2 -
5. Statistics
Calculate the range of: 74, 79, 45, 63, 62, 90
Answer: 45