Keystones — Lintel
Five GCSE retrieval questions · 2 January 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 84 + ? = 143
Answer: 59 -
2. Algebra
Solve: x⁄2 = 16
Answer: x = 32 -
3. Geometry
Find the distance between (-3, -3) and (8, 5)
Answer: 13.6 -
4. Ratio
Simplify: 9:15:18
Answer: 3:5:6 -
5. Statistics
Find the range of: 9, -24, 32, 28, 17
Answer: 56