Keystones — Bedrock
Five GCSE retrieval questions · 23 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 60 + 83
Answer: 60 + 83 = 143 -
2. Algebra Substitution
If x = 7, find the value of 2x + 12
Answer: 26 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 19, 2, 8, 7
Answer: 9