Keystones — Cornerstone
Five GCSE retrieval questions · 21 August 2023 · mathsvault.uk/keystones
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1. Number
Find the total of 176, 118, and 83
Answer: 377 -
2. Algebra
Solve: x + 12 = 27
Answer: x = 15 -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 32:24
Answer: 4:3 -
5. Statistics
Calculate the mean of: 37, 24, 43, 39, 29, 43, 43, 50
Answer: 38.5