Keystones — Bedrock
Five GCSE retrieval questions · 26 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 21
Answer: 37 + 21 = 58 -
2. Algebra Substitution
If x = 8, find the value of 5x + 4
Answer: 44 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 17, 6, 16, 17
Answer: 14