Keystones — Bedrock
Five GCSE retrieval questions · 19 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 83
Answer: 24 + 83 = 107 -
2. Algebra Substitution
If x = 8, find the value of 8x + 3
Answer: 67 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 12, 9, 4, 19
Answer: 11