Keystones — Cornerstone
Five GCSE retrieval questions · 7 December 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 75 + 49
Answer: 75 + 49 = 124 -
2. Algebra
Solve: 5x = 65
Answer: x = 13 -
3. Geometry
Opposite = 11cm, adjacent = 16cm. Calculate the angle
Answer: 34.5° -
4. Ratio
Simplify: 8:24:16
Answer: 1:3:2 -
5. Statistics
Calculate the range of: 76, 41, 102, 63, 97, 34
Answer: 68