Keystones — Bedrock
Five GCSE retrieval questions · 23 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 38
Answer: 13 + 38 = 51 -
2. Algebra Substitution
If x = 7, find the value of 5x + 4
Answer: 39 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 20, 17, 8
Answer: 15