Keystones — Cornerstone
Five GCSE retrieval questions · 3 January 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 85 + 90
Answer: 85 + 90 = 175 -
2. Algebra
For y = x³, find y when x = 4
Answer: y = 64 -
3. Geometry
Find the area of a right triangle with base 10cm and height 7cm
Answer: 35cm² -
4. Ratio
Simplify: 12:24:24
Answer: 1:2:2 -
5. Statistics
Find the range of: 18, 12, 21, 30, 25
Answer: 18