Keystones — Cornerstone
Five GCSE retrieval questions · 14 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 53 + 76
Answer: 53 + 76 = 129 -
2. Algebra
Solve: x + 14 = 26
Answer: x = 12 -
3. Geometry
Opposite = 20cm, adjacent = 10cm. Calculate the angle
Answer: 63.4° -
4. Ratio
Simplify: 20:20:12
Answer: 5:5:3 -
5. Statistics
Find the mean of: 11, 17, 2, 12, 4
Answer: 9.2