Keystones — Bedrock
Five GCSE retrieval questions · 17 March 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 36
Answer: 31 + 36 = 67 -
2. Algebra Substitution
If x = 4, find the value of 5x + 4
Answer: 24 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 17, 4, 20, 19
Answer: 15