Keystones — Cornerstone
Five GCSE retrieval questions · 29 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 24 + 74
Answer: 24 + 74 = 98 -
2. Algebra
Simplify: 6x + 5x
Answer: 11x -
3. Geometry
Opposite = 10cm, hypotenuse = 20cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Find 82% of 381
Answer: 312.42 -
5. Statistics
Find the mean of: 4, 16, 20
Answer: 13.333333333333