Keystones — Cornerstone
Five GCSE retrieval questions · 25 March 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 51 + 59
Answer: 51 + 59 = 110 -
2. Algebra
Factorise: 15x + 18
Answer: 3(5x + 6) -
3. Geometry
Find the area of a circle with radius 5cm
Answer: 78.54cm² -
4. Ratio
Simplify the ratio 25:35
Answer: 5:7 -
5. Statistics
Calculate the range of: 65, 81, 45, 72, 68, 99
Answer: 54