Keystones — Bedrock
Five GCSE retrieval questions · 26 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 42
Answer: 17 + 42 = 59 -
2. Algebra Substitution
If x = 8, find the value of 8x + 10
Answer: 74 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:15
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 16, 10, 7
Answer: 11