Keystones — Bedrock
Five GCSE retrieval questions · 10 March 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 16
Answer: 23 + 16 = 39 -
2. Algebra Substitution
If x = 3, find the value of 2x + 5
Answer: 11 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 10, 16, 4
Answer: 10