Keystones — Cornerstone
Five GCSE retrieval questions · 28 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 76 + 89
Answer: 76 + 89 = 165 -
2. Algebra
Solve: 6x = 72
Answer: x = 12 -
3. Geometry
Opposite = 10cm, adjacent = 18cm. Calculate the angle
Answer: 29.1° -
4. Ratio
Simplify: 12:4:6
Answer: 6:2:3 -
5. Statistics
Find the range of: 13, 14, 28, 26, 18
Answer: 15