Keystones — Bedrock
Five GCSE retrieval questions · 20 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 27
Answer: 47 + 27 = 74 -
2. Algebra Substitution
If x = 7, find the value of 5x + 12
Answer: 47 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 23, 11, 2
Answer: 12