Keystones — Bedrock
Five GCSE retrieval questions · 19 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 38
Answer: 22 + 38 = 60 -
2. Algebra Substitution
If x = 8, find the value of 3x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 25, 3, 11, 14, 7
Answer: 12