Keystones — Bedrock
Five GCSE retrieval questions · 22 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 28
Answer: 19 + 28 = 47 -
2. Algebra Substitution
If x = 9, find the value of 5x + 8
Answer: 53 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:6
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 19, 10, 11, 16
Answer: 14