Keystones — Bedrock
Five GCSE retrieval questions · 1 March 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 30
Answer: 18 + 30 = 48 -
2. Algebra Substitution
If x = 4, find the value of 3x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 6, 9, 2
Answer: 5.6666666666667