Keystones — Bedrock
Five GCSE retrieval questions · 5 October 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 31
Answer: 91 + 31 = 122 -
2. Algebra Substitution
If x = 2, find the value of 6x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 7, 7, 7
Answer: 7