Keystones — Cornerstone
Five GCSE retrieval questions · 30 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 45 + 49
Answer: 45 + 49 = 94 -
2. Algebra
Solve: x + 14 = 29
Answer: x = 15 -
3. Geometry
Find the area of a circle with radius 8cm
Answer: 201.06cm² -
4. Ratio
Simplify: 6:8:10
Answer: 3:4:5 -
5. Statistics
A bag has 8 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 8⁄11