Keystones — Cornerstone
Five GCSE retrieval questions · 5 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 795 + 157
Answer: 795 + 157 = 952 -
2. Algebra
Simplify: 2x + 5x
Answer: 7x -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify: 12:12:10
Answer: 6:6:5 -
5. Statistics
Calculate the mean of: 24, 14, 21, 41, 45, 16
Answer: 26.8