Keystones — Cornerstone
Five GCSE retrieval questions · 9 August 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 82 + 71
Answer: 82 + 71 = 153 -
2. Algebra
Solve: 10x - 8 = 4x + 34
Answer: x = 7 -
3. Geometry
Opposite = 10cm, hypotenuse = 14.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Find 52% of 175
Answer: 91 -
5. Statistics
Calculate the mean of: 10, 50, 23, 30, 15, 7
Answer: 22.5