Keystones — Bedrock
Five GCSE retrieval questions · 3 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 29
Answer: 16 + 29 = 45 -
2. Algebra Substitution
If x = 4, find the value of 2x + 10
Answer: 18 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:21
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 20, 10, 7, 19
Answer: 14