Keystones — Cornerstone
Five GCSE retrieval questions · 2 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 43 + 96
Answer: 43 + 96 = 139 -
2. Algebra
Collect like terms: 7x + 2y + 5x + 4y
Answer: 12x + 6y -
3. Geometry
Opposite = 12cm, hypotenuse = 17cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 50% of 27
Answer: 13.5 -
5. Statistics
Calculate the mean of: 12, 49, 33, 5, 13, 42, 40
Answer: 27.7