Keystones — Bedrock
Five GCSE retrieval questions · 15 July 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 47
Answer: 35 + 47 = 82 -
2. Algebra Substitution
If x = 4, find the value of 4x + 10
Answer: 26 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 16, 18, 10, 16
Answer: 15