Keystones — Bedrock
Five GCSE retrieval questions · 28 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 84
Answer: 75 + 84 = 159 -
2. Algebra Substitution
If x = 2, find the value of 3x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 7, 5, 12, 16, 15
Answer: 11