Keystones — Bedrock
Five GCSE retrieval questions · 7 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 11
Answer: 37 + 11 = 48 -
2. Algebra Substitution
If x = 6, find the value of 5x + 6
Answer: 36 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:15
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 16, 9, 6, 20, 4
Answer: 11