Keystones — Bedrock
Five GCSE retrieval questions · 3 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 27
Answer: 32 + 27 = 59 -
2. Algebra Substitution
If x = 4, find the value of 5x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 9, 8, 6, 8, 14
Answer: 9