Keystones — Cornerstone
Five GCSE retrieval questions · 5 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 79 + 89
Answer: 79 + 89 = 168 -
2. Algebra
Collect like terms: 3x + 5y + 5x + 2y
Answer: 8x + 7y -
3. Geometry
Opposite = 11cm, adjacent = 9cm. Calculate the angle
Answer: 50.7° -
4. Ratio
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics
Calculate the range of: 75, 39, 34, 47, 61, 35
Answer: 41