Keystones — Cornerstone
Five GCSE retrieval questions · 8 May 2025 · mathsvault.uk/keystones
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1. Number
What is the missing number: 79 + ? = 123
Answer: 44 -
2. Algebra
What is the next term? 3, 12, 48, 192, ...
Answer: 768 -
3. Geometry
Find the area of a circle with radius 10cm
Answer: 314.16cm² -
4. Ratio
Simplify: 8:10:6
Answer: 4:5:3 -
5. Statistics
Find the range of: 34, 10, 17, 35, 35
Answer: 25