Keystones — Bedrock
Five GCSE retrieval questions · 16 July 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 33
Answer: 42 + 33 = 75 -
2. Algebra Substitution
If x = 6, find the value of 6x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:18
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 3, 13, 14
Answer: 10