Keystones — Bedrock
Five GCSE retrieval questions · 10 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 29
Answer: 80 + 29 = 109 -
2. Algebra Substitution
If x = 5, find the value of 6x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 2, 8, 18, 8
Answer: 9