Keystones — Cornerstone
Five GCSE retrieval questions · 22 October 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 97 + 56
Answer: 97 + 56 = 153 -
2. Algebra
Solve: 2x = 30
Answer: x = 15 -
3. Geometry
Find the hypotenuse of a right triangle with sides 3cm and 4cm
Answer: 5cm -
4. Ratio
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics
Find the range of: 27, 18, 18, 48, 32
Answer: 30