Keystones — Cornerstone
Five GCSE retrieval questions · 16 July 2022 · mathsvault.uk/keystones
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1. Number
Find the total of 188, 289, and 59
Answer: 536 -
2. Algebra
Collect like terms: 3x + 5y + 3x + 7y
Answer: 6x + 12y -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics
Calculate the mean of: 20, 28, 21, 47, 38, 35, 5
Answer: 27.7