Keystones — Bedrock
Five GCSE retrieval questions · 24 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 44
Answer: 31 + 44 = 75 -
2. Algebra Substitution
If x = 10, find the value of 6x + 8
Answer: 68 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 7, 10, 19
Answer: 12