Keystones — Bedrock
Five GCSE retrieval questions · 27 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 87
Answer: 89 + 87 = 176 -
2. Algebra Substitution
If x = 3, find the value of 5x + 4
Answer: 19 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 15, 13, 12, 12
Answer: 13