Keystones — Lintel
Five GCSE retrieval questions · 22 March 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 120. What are the numbers?
Answer: 39, 40, and 41 -
2. Algebra
Solve: 3x + 10 = 2x - 8
Answer: x = 18 -
3. Geometry
Calculate the area of a circle with diameter 10cm
Answer: 78.54cm² -
4. Ratio
Find 19% of 356
Answer: 67.64 -
5. Statistics
Calculate the mean of: 6, 15, 11, 39, 27, 42, 32, 49
Answer: 27.6