Keystones — Cornerstone
Five GCSE retrieval questions · 23 May 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 20 + 64
Answer: 20 + 64 = 84 -
2. Algebra
For y = x³ + 2, calculate y when x = 3
Answer: y = 29 -
3. Geometry
Calculate the area of a right triangle with perpendicular sides 6cm and 9cm
Answer: 27cm² -
4. Ratio
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics
Find the range of: 17, 24, 26, 9, 12
Answer: 17