Keystones — Bedrock
Five GCSE retrieval questions · 10 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 35
Answer: 45 + 35 = 80 -
2. Algebra Substitution
If x = 5, find the value of 6x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 7, 11, 8
Answer: 8.6666666666667