Keystones — Bedrock
Five GCSE retrieval questions · 13 November 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 24
Answer: 19 + 24 = 43 -
2. Algebra Substitution
If x = 8, find the value of 6x + 10
Answer: 58 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 17, 6, 6, 18, 18
Answer: 13