Keystones — Lintel
Five GCSE retrieval questions · 27 April 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 41 + ? = 149
Answer: 108 -
2. Algebra
Solve: 5x = 70
Answer: x = 14 -
3. Geometry
Calculate the distance between (9, 8) and (12, 12)
Answer: 5 -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
Find the range of: 44, 18, -4, -11, 19
Answer: 55