Keystones — Cornerstone
Five GCSE retrieval questions · 23 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 27 + 88
Answer: 27 + 88 = 115 -
2. Algebra
Collect like terms: 3x + 3y + 8x + 6y
Answer: 11x + 9y -
3. Geometry
Opposite = 13cm, hypotenuse = 15cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 50% of 66
Answer: 33 -
5. Statistics
Find the mean of: 5, 10, 8, 13, 4
Answer: 8