Keystones — Cornerstone
Five GCSE retrieval questions · 20 November 2024 · mathsvault.uk/keystones
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1. Number
Find the total of 285, 232, and 136
Answer: 653 -
2. Algebra
Solve: x + 7 = 12
Answer: x = 5 -
3. Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify: 12:24:12
Answer: 1:2:1 -
5. Statistics
Calculate the mean of: 11, 22, 19, 33, 22, 20, 32, 7
Answer: 20.8