Keystones — Lintel
Five GCSE retrieval questions · 26 November 2021 · mathsvault.uk/keystones
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1. Number
0.0079
Answer: 7.9 × 10^-3 -
2. Algebra
Solve: 3x + 9 = 2x - 3
Answer: x = 12 -
3. Geometry
Opposite = 10cm, adjacent = 18cm. Calculate the angle
Answer: 29.1° -
4. Ratio
Simplify: 12:6:8
Answer: 6:3:4 -
5. Statistics
Calculate the mean of: 26, 48, 45, 19, 20, 44, 29
Answer: 33