Keystones — Cornerstone
Five GCSE retrieval questions · 21 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 85 + 94
Answer: 85 + 94 = 179 -
2. Algebra
Solve: x + 11 = 25
Answer: x = 14 -
3. Geometry
Opposite = 8cm, adjacent = 20cm. Calculate the angle
Answer: 21.8° -
4. Ratio
Find 78% of 413
Answer: 322.14 -
5. Statistics
Calculate the mean of: 26, 27, 40, 50, 44, 19, 18, 34
Answer: 32.3