Keystones — Bedrock
Five GCSE retrieval questions · 2 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 41
Answer: 39 + 41 = 80 -
2. Algebra Substitution
If x = 4, find the value of 5x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 2, 13, 3
Answer: 6