Keystones — Bedrock
Five GCSE retrieval questions · 20 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 55
Answer: 52 + 55 = 107 -
2. Algebra Substitution
If x = 7, find the value of 5x + 12
Answer: 47 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 8, 4, 15
Answer: 9