Keystones — Lintel
Five GCSE retrieval questions · 2 October 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 65 + ? = 103
Answer: 38 -
2. Algebra
Solve: 5x = 35
Answer: x = 7 -
3. Geometry
Calculate the area of a circle with diameter 13cm
Answer: 132.73cm² -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
Find the range of: 5, 33, 28, 20, -13
Answer: 46