Keystones — Bedrock
Five GCSE retrieval questions · 2 September 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 19
Answer: 40 + 19 = 59 -
2. Algebra Substitution
If x = 9, find the value of 6x + 6
Answer: 60 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 2, 22, 15
Answer: 13