Keystones — Bedrock
Five GCSE retrieval questions · 7 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 78
Answer: 63 + 78 = 141 -
2. Algebra Substitution
If x = 7, find the value of 2x + 5
Answer: 19 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 8, 16, 6, 6
Answer: 9