Keystones — Lintel
Five GCSE retrieval questions · 5 March 2023 · mathsvault.uk/keystones
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1. Number
Find the total of 268, 130, and 91
Answer: 489 -
2. Algebra
Solve: 9x = 135
Answer: x = 15 -
3. Geometry
Calculate perimeter: two sides are 9cm and 10cm at right angles
Answer: 32.5cm -
4. Ratio
Calculate 18.6% of 637
Answer: 118.48 -
5. Statistics
Calculate the mean of: 21, 25, 47, 35, 33, 21, 12, 18
Answer: 26.5