Keystones — Cornerstone
Five GCSE retrieval questions · 19 August 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 469 + 743
Answer: 469 + 743 = 1212 -
2. Algebra
Factorise: 14x + 12
Answer: 2(7x + 6) -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics
Calculate the mean of: 47, 23, 15, 45, 50, 18, 28
Answer: 32.3