Keystones — Lintel
Five GCSE retrieval questions · 9 July 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 60 + ? = 109
Answer: 49 -
2. Algebra
Expand: 3(5x - 9)
Answer: 15x - 27 -
3. Geometry
Calculate the area of a circle with diameter 17cm
Answer: 226.98cm² -
4. Ratio
Simplify: 10:8:6
Answer: 5:4:3 -
5. Statistics
Find the range of: -14, 24, 12, 24, -17
Answer: 41