Keystones — Bedrock
Five GCSE retrieval questions · 28 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 48
Answer: 34 + 48 = 82 -
2. Algebra Substitution
If x = 6, find the value of 6x + 7
Answer: 43 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 15, 7, 5
Answer: 9