Keystones — Bedrock
Five GCSE retrieval questions · 9 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 68
Answer: 52 + 68 = 120 -
2. Algebra Substitution
If x = 5, find the value of 6x + 11
Answer: 41 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 18, 20, 7
Answer: 15