Keystones — Bedrock
Five GCSE retrieval questions · 25 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 95
Answer: 66 + 95 = 161 -
2. Algebra Substitution
If x = 7, find the value of 2x + 8
Answer: 22 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 3, 3, 18, 12
Answer: 9