Keystones — Bedrock
Five GCSE retrieval questions · 9 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 64
Answer: 57 + 64 = 121 -
2. Algebra Substitution
If x = 7, find the value of 5x + 5
Answer: 40 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 17, 6, 10
Answer: 11