Keystones — Bedrock
Five GCSE retrieval questions · 10 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 47
Answer: 29 + 47 = 76 -
2. Algebra Substitution
If x = 6, find the value of 6x + 5
Answer: 41 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 19, 14, 14, 7, 21
Answer: 15