Keystones — Bedrock
Five GCSE retrieval questions · 3 September 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 60
Answer: 87 + 60 = 147 -
2. Algebra Substitution
If x = 6, find the value of 8x + 12
Answer: 60 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 13, 7, 16, 8
Answer: 11