Keystones — Bedrock
Five GCSE retrieval questions · 22 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 95
Answer: 22 + 95 = 117 -
2. Algebra Substitution
If x = 6, find the value of 6x + 11
Answer: 47 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 9, 18, 12
Answer: 13