Keystones — Cornerstone
Five GCSE retrieval questions · 27 February 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 480 + 905
Answer: 480 + 905 = 1385 -
2. Algebra
Find the next term: 26, 35, 44, 53, ...
Answer: 62 -
3. Geometry
Find the area of a right triangle with base 9cm and height 4cm
Answer: 18cm² -
4. Ratio
Simplify: 12:16:16
Answer: 3:4:4 -
5. Statistics
Find the mean of: 2, 11, 12, 12, 5
Answer: 8.4