Keystones — Cornerstone
Five GCSE retrieval questions · 9 April 2024 · mathsvault.uk/keystones
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1. Number
Add: 1⁄4 + 2⁄3
Answer: 11⁄12 -
2. Algebra
Solve: 7x = 56
Answer: x = 8 -
3. Geometry
Calculate the perimeter of a right triangle with sides 7cm and 6cm
Answer: 22.2cm -
4. Ratio
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics
Calculate the mean of: 6, 30, 38, 15, 26, 32
Answer: 24.5