Keystones — Cornerstone
Five GCSE retrieval questions · 16 August 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 32 + ? = 158
Answer: 126 -
2. Algebra
Solve: x + 14 = 23
Answer: x = 9 -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Calculate 25% of 39
Answer: 9.75 -
5. Statistics
Calculate the mean of: 50, 8, 45, 17, 28, 49
Answer: 32.8