Keystones — Bedrock
Five GCSE retrieval questions · 21 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 29
Answer: 27 + 29 = 56 -
2. Algebra Substitution
If x = 10, find the value of 2x + 6
Answer: 26 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 13, 9, 5
Answer: 9