Keystones — Cornerstone
Five GCSE retrieval questions · 12 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 26 + 87
Answer: 26 + 87 = 113 -
2. Algebra
Collect like terms: 7x + 8y + 6x + 4y
Answer: 13x + 12y -
3. Geometry
Opposite = 13cm, hypotenuse = 18.4cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify: 10:4:6
Answer: 5:2:3 -
5. Statistics
Find the mean of: 12, 3, 6, 18, 13
Answer: 10.4