Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 94
Answer: 50 + 94 = 144 -
2. Algebra Substitution
If x = 3, find the value of 5x + 9
Answer: 24 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 15, 17, 7
Answer: 13