Keystones — Cornerstone
Five GCSE retrieval questions · 10 June 2024 · mathsvault.uk/keystones
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1. Number
Add: 5⁄6 + 2⁄3
Answer: 3⁄2 -
2. Algebra
Find the next term: 22, 31, 40, 49, ...
Answer: 58 -
3. Geometry
Opposite = 19cm, adjacent = 20cm. Calculate the angle
Answer: 43.5° -
4. Ratio
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics
Calculate the mean of: 27, 9, 12, 50, 50, 15, 31
Answer: 27.7