Keystones — Bedrock
Five GCSE retrieval questions · 27 February 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 20
Answer: 20 + 20 = 40 -
2. Algebra Substitution
If x = 8, find the value of 6x + 10
Answer: 58 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 8, 3, 14
Answer: 8.3333333333333