Keystones — Cornerstone
Five GCSE retrieval questions · 28 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 35 + 89
Answer: 35 + 89 = 124 -
2. Algebra
Solve: 4x = 60
Answer: x = 15 -
3. Geometry
Opposite = 17cm, adjacent = 10cm. Calculate the angle
Answer: 59.5° -
4. Ratio
Simplify: 6:15:18
Answer: 2:5:6 -
5. Statistics
Calculate the mean of: 12, 40, 13, 43, 48, 40, 22, 14
Answer: 29