Keystones — Cornerstone
Five GCSE retrieval questions · 30 January 2024 · mathsvault.uk/keystones
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1. Number
Add: 6⁄8 + 1⁄4
Answer: 1⁄1 -
2. Algebra
Solve: 5x = 60
Answer: x = 12 -
3. Geometry
Calculate perimeter: two sides are 8cm and 11cm at right angles
Answer: 32.6cm -
4. Ratio
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics
Calculate the mean of: 49, 37, 22, 43, 11, 28
Answer: 31.7