Keystones — Bedrock
Five GCSE retrieval questions · 22 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 28
Answer: 26 + 28 = 54 -
2. Algebra Substitution
If x = 4, find the value of 7x + 3
Answer: 31 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 23, 4, 10
Answer: 12