Keystones — Bedrock
Five GCSE retrieval questions · 11 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 13
Answer: 12 + 13 = 25 -
2. Algebra Substitution
If x = 7, find the value of 6x + 6
Answer: 48 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:6
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 11, 11, 17
Answer: 13