Keystones — Bedrock
Five GCSE retrieval questions · 26 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 37
Answer: 42 + 37 = 79 -
2. Algebra Substitution
If x = 5, find the value of 3x + 12
Answer: 27 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 16, 12, 5
Answer: 11