Keystones — Cornerstone
Five GCSE retrieval questions · 7 August 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 78 + ? = 111
Answer: 33 -
2. Algebra
Find the next term: 24, 33, 42, 51, ...
Answer: 60 -
3. Geometry
Opposite = 10cm, adjacent = 12cm. Calculate the angle
Answer: 39.8° -
4. Ratio
Simplify: 8:12:8
Answer: 2:3:2 -
5. Statistics
Find the mean of: 17, 9, 20
Answer: 15.333333333333