Keystones — Bedrock
Five GCSE retrieval questions · 19 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 10
Answer: 49 + 10 = 59 -
2. Algebra Substitution
If x = 2, find the value of 7x + 7
Answer: 21 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 9, 10, 19, 6
Answer: 11