Keystones — Bedrock
Five GCSE retrieval questions · 13 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 45
Answer: 11 + 45 = 56 -
2. Algebra Substitution
If x = 3, find the value of 6x + 6
Answer: 24 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 10, 19, 1, 15, 15
Answer: 12