Keystones — Cornerstone
Five GCSE retrieval questions · 5 February 2023 · mathsvault.uk/keystones
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1. Number
Find the total of 195, 231, and 125
Answer: 551 -
2. Algebra
Simplify: 4x + 4x
Answer: 8x -
3. Geometry
Opposite = 9cm, hypotenuse = 10.4cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Find 52% of 452
Answer: 235.04 -
5. Statistics
Find the mean of: 12, 19, 17, 13, 6
Answer: 13.4