Keystones — Cornerstone
Five GCSE retrieval questions · 17 November 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 79 + ? = 118
Answer: 39 -
2. Algebra
Simplify: 7x + 9x
Answer: 16x -
3. Geometry
Find the perimeter of a right triangle with sides 5cm and 12cm
Answer: 30cm -
4. Ratio
Find 59% of 315
Answer: 185.85 -
5. Statistics
Calculate the range of: 48, 58, 95, 32, 85, 30
Answer: 65