Keystones — Cornerstone
Five GCSE retrieval questions · 2 March 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 270 + 915
Answer: 270 + 915 = 1185 -
2. Algebra
Simplify: 8x + 5x
Answer: 13x -
3. Geometry
Opposite = 15cm, hypotenuse = 21.2cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Find 22% of 55
Answer: 12.1 -
5. Statistics
Calculate the mean of: 23, 35, 27, 5, 27, 13, 29
Answer: 22.7