Keystones — Bedrock
Five GCSE retrieval questions · 10 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 42
Answer: 43 + 42 = 85 -
2. Algebra Substitution
If x = 9, find the value of 6x + 9
Answer: 63 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:18
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 14, 10, 9
Answer: 11