Keystones — Bedrock
Five GCSE retrieval questions · 1 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 38
Answer: 48 + 38 = 86 -
2. Algebra Substitution
If x = 3, find the value of 4x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 4, 17, 4, 15
Answer: 10