Keystones — Bedrock
Five GCSE retrieval questions · 2 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 43
Answer: 91 + 43 = 134 -
2. Algebra Substitution
If x = 8, find the value of 7x + 5
Answer: 61 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 9, 13, 4, 12, 12
Answer: 10