Keystones — Cornerstone
Five GCSE retrieval questions · 10 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 239 + 245
Answer: 239 + 245 = 484 -
2. Algebra
Solve: x + 8 = 22
Answer: x = 14 -
3. Geometry
Opposite = 14cm, adjacent = 9cm. Calculate the angle
Answer: 57.3° -
4. Ratio
Simplify: 15:9:15
Answer: 5:3:5 -
5. Statistics
Calculate the range of: 41, 86, 94, 59, 94, 63
Answer: 53