Keystones — Bedrock
Five GCSE retrieval questions · 24 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 43
Answer: 51 + 43 = 94 -
2. Algebra Substitution
If x = 10, find the value of 3x + 5
Answer: 35 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 7, 9, 17
Answer: 11