Keystones — Bedrock
Five GCSE retrieval questions · 21 May 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 92
Answer: 53 + 92 = 145 -
2. Algebra Substitution
If x = 10, find the value of 5x + 10
Answer: 60 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 2, 13, 15
Answer: 10