Keystones — Bedrock
Five GCSE retrieval questions · 25 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 36
Answer: 43 + 36 = 79 -
2. Algebra Substitution
If x = 5, find the value of 5x + 7
Answer: 32 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 18, 9, 12
Answer: 13