Keystones — Cornerstone
Five GCSE retrieval questions · 28 April 2023 · mathsvault.uk/keystones
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1. Number
Find the total of 298, 101, and 126
Answer: 525 -
2. Algebra
Solve: 2x = 22
Answer: x = 11 -
3. Geometry
Opposite = 5cm, hypotenuse = 7.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 10% of 134
Answer: 13.4 -
5. Statistics
Calculate the mean of: 30, 35, 48, 12, 16, 23, 36
Answer: 28.6