Keystones — Cornerstone
Five GCSE retrieval questions · 3 January 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 65 + ? = 134
Answer: 69 -
2. Algebra
Solve: 3x = 12
Answer: x = 4 -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Simplify: 12:8:12
Answer: 3:2:3 -
5. Statistics
Find the mean of: 16, 14, 17
Answer: 15.666666666667