Keystones — Bedrock
Five GCSE retrieval questions · 6 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 42
Answer: 40 + 42 = 82 -
2. Algebra Substitution
If x = 7, find the value of 3x + 8
Answer: 29 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 10, 8, 21, 9
Answer: 12