Keystones — Cornerstone
Five GCSE retrieval questions · 15 November 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 55 + ? = 172
Answer: 117 -
2. Algebra
Find the next term: 23, 33, 43, 53, ...
Answer: 63 -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify: 8:24:24
Answer: 1:3:3 -
5. Statistics
Find the mean of: 19, 14, 5, 15
Answer: 13.25