Keystones — Cornerstone
Five GCSE retrieval questions · 2 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 74 + 65
Answer: 74 + 65 = 139 -
2. Algebra
Find the next term: 25, 33, 41, 49, ...
Answer: 57 -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify: 18:18:6
Answer: 3:3:1 -
5. Statistics
Calculate the mean of: 34, 22, 19, 24, 39, 44, 15
Answer: 28.1