Keystones — Cornerstone
Five GCSE retrieval questions · 4 October 2024 · mathsvault.uk/keystones
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1. Number
Find the total of 122, 207, and 150
Answer: 479 -
2. Algebra
Collect like terms: 3x + 8y + 3x + 4y
Answer: 6x + 12y -
3. Geometry
Calculate the area of a right triangle with perpendicular sides 13cm and 11cm
Answer: 71.5cm² -
4. Ratio
Find 52% of 162
Answer: 84.24 -
5. Statistics
Calculate the mean of: 37, 14, 39, 30, 29, 15, 13, 33
Answer: 26.3