Keystones — Bedrock
Five GCSE retrieval questions · 22 May 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 18
Answer: 13 + 18 = 31 -
2. Algebra Substitution
If x = 8, find the value of 6x + 6
Answer: 54 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 17, 6, 7
Answer: 10