Keystones — Cornerstone
Five GCSE retrieval questions · 27 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 289 + 746
Answer: 289 + 746 = 1035 -
2. Algebra
Simplify: 7x + 2x
Answer: 9x -
3. Geometry
Calculate perimeter: two sides are 12cm and 9cm at right angles
Answer: 36cm -
4. Ratio
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics
Find the range of: 20, 34, 13, 13, 39
Answer: 26