Keystones — Bedrock
Five GCSE retrieval questions · 30 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 24
Answer: 42 + 24 = 66 -
2. Algebra Substitution
If x = 6, find the value of 8x + 9
Answer: 57 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 2, 12, 7
Answer: 7