Keystones — Bedrock
Five GCSE retrieval questions · 4 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 28
Answer: 68 + 28 = 96 -
2. Algebra Substitution
If x = 8, find the value of 5x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 1, 7, 16
Answer: 8