Keystones — Bedrock
Five GCSE retrieval questions · 19 October 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 13
Answer: 26 + 13 = 39 -
2. Algebra Substitution
If x = 8, find the value of 7x + 10
Answer: 66 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 5, 19, 9
Answer: 11