Keystones — Bedrock
Five GCSE retrieval questions · 20 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 28
Answer: 26 + 28 = 54 -
2. Algebra Substitution
If x = 6, find the value of 6x + 10
Answer: 46 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 6, 11, 20, 17, 6
Answer: 12