Keystones — Bedrock
Five GCSE retrieval questions · 1 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 37
Answer: 85 + 37 = 122 -
2. Algebra Substitution
If x = 8, find the value of 4x + 6
Answer: 38 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 2, 11, 14
Answer: 9