Keystones — Bedrock
Five GCSE retrieval questions · 2 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 81
Answer: 36 + 81 = 117 -
2. Algebra Substitution
If x = 7, find the value of 4x + 6
Answer: 34 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 3, 6, 15
Answer: 8