Keystones — Lintel
Five GCSE retrieval questions · 20 February 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 45 + ? = 110
Answer: 65 -
2. Algebra
Solve: 7x = 77
Answer: x = 11 -
3. Geometry
Calculate the distance between (8, 5) and (11, 9)
Answer: 5 -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
Find the range of: -5, 2, 32, -17, 36
Answer: 53