Keystones — Cornerstone
Five GCSE retrieval questions · 29 February 2024 · mathsvault.uk/keystones
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1. Number
Add: 5⁄6 + 1⁄4
Answer: 13⁄12 -
2. Algebra
Solve: 5x - 7 = 3x + 13
Answer: x = 10 -
3. Geometry
Opposite = 13cm, adjacent = 17cm. Calculate the angle
Answer: 37.4° -
4. Ratio
Simplify: 12:10:8
Answer: 6:5:4 -
5. Statistics
Calculate the mean of: 8, 5, 17, 12, 19, 5, 12
Answer: 11.1