Keystones — Cornerstone
Five GCSE retrieval questions · 17 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 69 + 85
Answer: 69 + 85 = 154 -
2. Algebra
Factorise: 20x + 20
Answer: 4(5x + 5) -
3. Geometry
Opposite = 14cm, adjacent = 18cm. Calculate the angle
Answer: 37.9° -
4. Ratio
Simplify: 6:4:10
Answer: 3:2:5 -
5. Statistics
Find the range of: 28, 5, 6, 21, 11
Answer: 23