Keystones — Bedrock
Five GCSE retrieval questions · 18 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 49
Answer: 32 + 49 = 81 -
2. Algebra Substitution
If x = 5, find the value of 2x + 11
Answer: 21 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:12
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 5, 8, 3, 16
Answer: 8