Keystones — Bedrock
Five GCSE retrieval questions · 5 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 61 + 73
Answer: 61 + 73 = 134 -
2. Algebra Substitution
If x = 9, find the value of 5x + 7
Answer: 52 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 7, 7, 16
Answer: 10