Keystones — Bedrock
Five GCSE retrieval questions · 17 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 33
Answer: 26 + 33 = 59 -
2. Algebra Substitution
If x = 5, find the value of 3x + 3
Answer: 18 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 17, 20, 1, 6
Answer: 11