Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 68
Answer: 53 + 68 = 121 -
2. Algebra Substitution
If x = 9, find the value of 5x + 7
Answer: 52 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 2, 11, 2
Answer: 5