Keystones — Bedrock
Five GCSE retrieval questions · 11 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 62
Answer: 86 + 62 = 148 -
2. Algebra Substitution
If x = 5, find the value of 7x + 3
Answer: 38 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 12, 13, 17, 6
Answer: 12