Keystones — Bedrock
Five GCSE retrieval questions · 23 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 37
Answer: 34 + 37 = 71 -
2. Algebra Substitution
If x = 3, find the value of 3x + 11
Answer: 20 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 20, 8, 2
Answer: 10