Keystones — Bedrock
Five GCSE retrieval questions · 18 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 49
Answer: 43 + 49 = 92 -
2. Algebra Substitution
If x = 5, find the value of 2x + 8
Answer: 18 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 8, 16, 15, 21
Answer: 15