Keystones — Bedrock
Five GCSE retrieval questions · 14 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 35
Answer: 43 + 35 = 78 -
2. Algebra Substitution
If x = 7, find the value of 5x + 4
Answer: 39 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 5, 7, 4, 8
Answer: 6