Keystones — Bedrock
Five GCSE retrieval questions · 23 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 67 + 88
Answer: 67 + 88 = 155 -
2. Algebra Substitution
If x = 7, find the value of 5x + 7
Answer: 42 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:40
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 15, 7, 14
Answer: 12