Keystones — Cornerstone
Five GCSE retrieval questions · 10 May 2023 · mathsvault.uk/keystones
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1. Number
Find the total of 210, 273, and 62
Answer: 545 -
2. Algebra
Factorise: 8x² + 3x
Answer: x(8x + 3) -
3. Geometry
Find the area of a right triangle with base 12cm and height 4cm
Answer: 24cm² -
4. Ratio
Find 62% of 118
Answer: 73.16 -
5. Statistics
Calculate the mean of: 11, 19, 33, 28, 7, 9
Answer: 17.8