Keystones — Cornerstone
Five GCSE retrieval questions · 18 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 55 + 85
Answer: 55 + 85 = 140 -
2. Algebra
Solve: x + 13 = 19
Answer: x = 6 -
3. Geometry
Opposite = 17cm, adjacent = 17cm. Calculate the angle
Answer: 45° -
4. Ratio
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics
Calculate the range of: 31, 83, 24, 66, 75, 47
Answer: 59