Keystones — Bedrock
Five GCSE retrieval questions · 21 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 27
Answer: 30 + 27 = 57 -
2. Algebra Substitution
If x = 10, find the value of 4x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 10, 25, 17, 4
Answer: 14