Keystones — Bedrock
Five GCSE retrieval questions · 5 March 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 36
Answer: 29 + 36 = 65 -
2. Algebra Substitution
If x = 8, find the value of 2x + 7
Answer: 23 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 7, 17, 4, 4
Answer: 8