Keystones — Bedrock
Five GCSE retrieval questions · 26 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 14
Answer: 40 + 14 = 54 -
2. Algebra Substitution
If x = 6, find the value of 5x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 5, 13, 3, 3
Answer: 6