Keystones — Cornerstone
Five GCSE retrieval questions · 16 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 918 + 802
Answer: 918 + 802 = 1720 -
2. Algebra
Collect like terms: 3x + 4y + 4x + 2y
Answer: 7x + 6y -
3. Geometry
Find the hypotenuse of a right triangle with sides 3cm and 4cm
Answer: 5cm -
4. Ratio
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics
Calculate the mean of: 16, 13, 8, 32, 17, 7
Answer: 15.5