Keystones — Bedrock
Five GCSE retrieval questions · 18 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 43
Answer: 38 + 43 = 81 -
2. Algebra Substitution
If x = 6, find the value of 3x + 6
Answer: 24 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 13, 8, 21
Answer: 14