Keystones — Cornerstone
Five GCSE retrieval questions · 26 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 59 + 35
Answer: 59 + 35 = 94 -
2. Algebra
Collect like terms: 8x + 3y + 5x + 6y
Answer: 13x + 9y -
3. Geometry
Opposite = 14cm, adjacent = 9cm. Calculate the angle
Answer: 57.3° -
4. Ratio
Simplify: 9:18:12
Answer: 3:6:4 -
5. Statistics
Calculate the mean of: 43, 42, 28, 23, 50, 35
Answer: 36.8