Keystones — Bedrock
Five GCSE retrieval questions · 2 August 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 49
Answer: 20 + 49 = 69 -
2. Algebra Substitution
If x = 8, find the value of 5x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 16, 24, 11, 5
Answer: 14