Keystones — Cornerstone
Five GCSE retrieval questions · 15 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 77 + 29
Answer: 77 + 29 = 106 -
2. Algebra
Collect like terms: 7x + 5y + 2x + 6y
Answer: 9x + 11y -
3. Geometry
Calculate the hypotenuse when a = 12cm and b = 5cm
Answer: 13cm -
4. Ratio
Simplify: 6:6:12
Answer: 1:1:2 -
5. Statistics
Calculate the mean of: 46, 26, 44, 19, 18, 34, 30, 29
Answer: 30.8