Keystones — Bedrock
Five GCSE retrieval questions · 22 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 66
Answer: 42 + 66 = 108 -
2. Algebra Substitution
If x = 6, find the value of 6x + 6
Answer: 42 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:6
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 7, 18, 11
Answer: 12