Keystones — Bedrock
Five GCSE retrieval questions · 28 October 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 37
Answer: 39 + 37 = 76 -
2. Algebra Substitution
If x = 10, find the value of 7x + 8
Answer: 78 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:35
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 14, 18, 11, 1
Answer: 11