Keystones — Cornerstone
Five GCSE retrieval questions · 11 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 30 + 96
Answer: 30 + 96 = 126 -
2. Algebra
For y = x³, find y when x = 4
Answer: y = 64 -
3. Geometry
Find the area of a right triangle with base 4cm and height 8cm
Answer: 16cm² -
4. Ratio
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics
Calculate the range of: 64, 99, 50, 65, 68, 87
Answer: 49