Keystones — Bedrock
Five GCSE retrieval questions · 9 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 24
Answer: 41 + 24 = 65 -
2. Algebra Substitution
If x = 6, find the value of 2x + 5
Answer: 17 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:20
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 6, 19, 14
Answer: 13