Keystones — Bedrock
Five GCSE retrieval questions · 30 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 95
Answer: 22 + 95 = 117 -
2. Algebra Substitution
If x = 10, find the value of 6x + 10
Answer: 70 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 20, 8, 14, 11, 12
Answer: 13