Keystones — Bedrock
Five GCSE retrieval questions · 29 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 46
Answer: 39 + 46 = 85 -
2. Algebra Substitution
If x = 9, find the value of 4x + 4
Answer: 40 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 15, 2, 19
Answer: 12