Keystones — Cornerstone
Five GCSE retrieval questions · 8 June 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 45 + ? = 122
Answer: 77 -
2. Algebra
Find the next term: 13, 22, 31, 40, ...
Answer: 49 -
3. Geometry
Opposite = 13cm, adjacent = 12cm. Calculate the angle
Answer: 47.3° -
4. Ratio
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics
Find the mean of: 9, 20, 13
Answer: 14