Keystones — Bedrock
Five GCSE retrieval questions · 4 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 27
Answer: 91 + 27 = 118 -
2. Algebra Substitution
If x = 8, find the value of 3x + 5
Answer: 29 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:35
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 2, 20, 20
Answer: 14