Keystones — Bedrock
Five GCSE retrieval questions · 16 March 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 41
Answer: 30 + 41 = 71 -
2. Algebra Substitution
If x = 8, find the value of 6x + 11
Answer: 59 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 4, 12, 11
Answer: 9