Keystones — Cornerstone
Five GCSE retrieval questions · 3 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 52 + 39
Answer: 52 + 39 = 91 -
2. Algebra
Collect like terms: 3x + 6y + 4x + 2y
Answer: 7x + 8y -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 10% of 132
Answer: 13.2 -
5. Statistics
Calculate the mean of: 8, 7, 27, 30, 19, 35, 13
Answer: 19.9