Keystones — Cornerstone
Five GCSE retrieval questions · 8 January 2024 · mathsvault.uk/keystones
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1. Number
Find the total of 267, 212, and 129
Answer: 608 -
2. Algebra
Simplify: 2x + 3x
Answer: 5x -
3. Geometry
Calculate the area of a circle with diameter 17cm
Answer: 226.98cm² -
4. Ratio
Calculate 25% of 107
Answer: 26.75 -
5. Statistics
Calculate the mean of: 50, 48, 18, 8, 37, 43, 41, 21
Answer: 33.3