Keystones — Bedrock
Five GCSE retrieval questions · 23 August 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 18
Answer: 35 + 18 = 53 -
2. Algebra Substitution
If x = 8, find the value of 3x + 10
Answer: 34 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 12, 9, 6, 21
Answer: 12