Keystones — Cornerstone
Five GCSE retrieval questions · 28 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 943 + 404
Answer: 943 + 404 = 1347 -
2. Algebra
Expand: 6(5x + 3)
Answer: 30x + 18 -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics
Find the mean of: 14, 14, 8
Answer: 12