Keystones — Cornerstone
Five GCSE retrieval questions · 3 April 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 51 + ? = 155
Answer: 104 -
2. Algebra
What is the next term? 5, 10, 20, 40, ...
Answer: 80 -
3. Geometry
Calculate the distance between (7, 4) and (10, 8)
Answer: 5 -
4. Ratio
Simplify: 6:9:15
Answer: 2:3:5 -
5. Statistics
Calculate the range of: 66, 36, 26, 65, 29, 37
Answer: 40