Keystones — Cornerstone
Five GCSE retrieval questions · 25 June 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 84 + ? = 161
Answer: 77 -
2. Algebra
What is the next term? 8, 24, 72, 216, ...
Answer: 648 -
3. Geometry
Opposite = 16cm, adjacent = 13cm. Calculate the angle
Answer: 50.9° -
4. Ratio
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics
Find the range of: 29, 20, 37, 26, 30
Answer: 17