Keystones — Bedrock
Five GCSE retrieval questions · 4 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 30
Answer: 44 + 30 = 74 -
2. Algebra Substitution
If x = 6, find the value of 5x + 9
Answer: 39 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 16, 19, 4
Answer: 13