Keystones — Cornerstone
Five GCSE retrieval questions · 28 June 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 68 + 33
Answer: 68 + 33 = 101 -
2. Algebra
Solve: x + 13 = 25
Answer: x = 12 -
3. Geometry
Calculate perimeter: two sides are 11cm and 13cm at right angles
Answer: 41cm -
4. Ratio
Calculate 10% of 97
Answer: 9.7 -
5. Statistics
Calculate the range of: 55, 42, 32, 65, 63, 97
Answer: 65