Keystones — Bedrock
Five GCSE retrieval questions · 25 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 20
Answer: 26 + 20 = 46 -
2. Algebra Substitution
If x = 9, find the value of 4x + 6
Answer: 42 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:28
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 12, 7, 16, 21
Answer: 14