Keystones — Bedrock
Five GCSE retrieval questions · 19 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 45
Answer: 33 + 45 = 78 -
2. Algebra Substitution
If x = 2, find the value of 4x + 9
Answer: 17 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 3, 25, 11
Answer: 13