Keystones — Bedrock
Five GCSE retrieval questions · 9 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 75
Answer: 91 + 75 = 166 -
2. Algebra Substitution
If x = 6, find the value of 6x + 7
Answer: 43 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 20, 4, 9
Answer: 11