Keystones — Bedrock
Five GCSE retrieval questions · 28 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 38
Answer: 71 + 38 = 109 -
2. Algebra Substitution
If x = 2, find the value of 4x + 3
Answer: 11 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 18, 1, 5
Answer: 8