Keystones — Bedrock
Five GCSE retrieval questions · 1 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 26
Answer: 48 + 26 = 74 -
2. Algebra Substitution
If x = 5, find the value of 3x + 6
Answer: 21 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 18, 13, 15, 2
Answer: 12