Keystones — Bedrock
Five GCSE retrieval questions · 18 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 16
Answer: 34 + 16 = 50 -
2. Algebra Substitution
If x = 9, find the value of 6x + 6
Answer: 60 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 5, 7, 21
Answer: 11