Keystones — Bedrock
Five GCSE retrieval questions · 11 June 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 58
Answer: 24 + 58 = 82 -
2. Algebra Substitution
If x = 4, find the value of 8x + 7
Answer: 39 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 5, 17, 11, 8, 14
Answer: 11