Keystones — Cornerstone
Five GCSE retrieval questions · 7 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 28 + 98
Answer: 28 + 98 = 126 -
2. Algebra
Simplify: 2x + 3x
Answer: 5x -
3. Geometry
Calculate the perimeter of a right triangle with sides 6cm and 5cm
Answer: 18.8cm -
4. Ratio
Simplify the ratio 25:35
Answer: 5:7 -
5. Statistics
Find the range of: 11, 23, 12, 27, 11
Answer: 16