Keystones — Bedrock
Five GCSE retrieval questions · 17 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 61 + 97
Answer: 61 + 97 = 158 -
2. Algebra Substitution
If x = 9, find the value of 6x + 9
Answer: 63 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 15, 19, 2
Answer: 12