Keystones — Cornerstone
Five GCSE retrieval questions · 2 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 411 + 308
Answer: 411 + 308 = 719 -
2. Algebra
Solve: x + 5 = 14
Answer: x = 9 -
3. Geometry
Opposite = 10cm, adjacent = 12cm. Calculate the angle
Answer: 39.8° -
4. Ratio
Simplify: 8:12:12
Answer: 2:3:3 -
5. Statistics
Find the mean of: 2, 8, 4, 7, 18
Answer: 7.8