Keystones — Bedrock
Five GCSE retrieval questions · 13 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 48
Answer: 48 + 48 = 96 -
2. Algebra Substitution
If x = 10, find the value of 2x + 11
Answer: 31 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 14, 20, 6, 17, 8
Answer: 13