Keystones — Bedrock
Five GCSE retrieval questions · 19 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 86
Answer: 91 + 86 = 177 -
2. Algebra Substitution
If x = 10, find the value of 5x + 3
Answer: 53 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 11, 13, 3
Answer: 9