Keystones — Cornerstone
Five GCSE retrieval questions · 4 December 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 69 + ? = 194
Answer: 125 -
2. Algebra
Expand: 2(3x + 8)
Answer: 6x + 16 -
3. Geometry
Find the area of a circle with radius 3cm
Answer: 28.27cm² -
4. Ratio
Find 53% of 318
Answer: 168.54 -
5. Statistics
Calculate the mean of: 10, 33, 18, 8, 27, 42, 42, 10
Answer: 23.8