Keystones — Cornerstone
Five GCSE retrieval questions · 18 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 800 + 786
Answer: 800 + 786 = 1586 -
2. Algebra
Solve: x + 9 = 28
Answer: x = 19 -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Find 56% of 406
Answer: 227.36 -
5. Statistics
Find the range of: 30, 17, 24, 27, 23
Answer: 13