Keystones — Cornerstone
Five GCSE retrieval questions · 3 May 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 40 + ? = 136
Answer: 96 -
2. Algebra
Find the next term: 7, 16, 25, 34, ...
Answer: 43 -
3. Geometry
Calculate the hypotenuse when a = 9cm and b = 13cm
Answer: 15.81cm -
4. Ratio
Simplify the ratio 15:18
Answer: 5:6 -
5. Statistics
Calculate the mean of: 30, 27, 32, 14, 34, 6
Answer: 23.8