Keystones — Bedrock
Five GCSE retrieval questions · 27 June 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 88
Answer: 46 + 88 = 134 -
2. Algebra Substitution
If x = 9, find the value of 3x + 8
Answer: 35 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 18, 11, 4
Answer: 11