Keystones — Bedrock
Five GCSE retrieval questions · 21 June 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 65
Answer: 37 + 65 = 102 -
2. Algebra Substitution
If x = 9, find the value of 7x + 6
Answer: 69 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 8, 11, 10, 19
Answer: 12