Keystones — Cornerstone
Five GCSE retrieval questions · 27 August 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 45 + ? = 151
Answer: 106 -
2. Algebra
What is the next term? 6, 18, 54, 162, ...
Answer: 486 -
3. Geometry
Opposite = 18cm, adjacent = 18cm. Calculate the angle
Answer: 45° -
4. Ratio
Simplify: 8:12:24
Answer: 2:3:6 -
5. Statistics
Calculate the range of: 59, 68, 30, 43, 45, 58
Answer: 38