Keystones — Bedrock
Five GCSE retrieval questions · 28 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 22
Answer: 46 + 22 = 68 -
2. Algebra Substitution
If x = 7, find the value of 5x + 7
Answer: 42 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 16, 11, 19, 4, 10
Answer: 12