Keystones — Cornerstone
Five GCSE retrieval questions · 8 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 48 + 84
Answer: 48 + 84 = 132 -
2. Algebra
Solve: 4x = 44
Answer: x = 11 -
3. Geometry
Find the area of a circle with radius 5cm
Answer: 78.54cm² -
4. Ratio
Simplify: 8:10:4
Answer: 4:5:2 -
5. Statistics
Calculate the mean of: 21, 39, 21, 46, 26, 37
Answer: 31.7