Keystones — Bedrock
Five GCSE retrieval questions · 15 May 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 83
Answer: 42 + 83 = 125 -
2. Algebra Substitution
If x = 7, find the value of 7x + 11
Answer: 60 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 8, 9, 7
Answer: 8