Keystones — Bedrock
Five GCSE retrieval questions · 29 May 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 38
Answer: 18 + 38 = 56 -
2. Algebra Substitution
If x = 6, find the value of 6x + 5
Answer: 41 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 16, 17, 3, 12
Answer: 12