Keystones — Bedrock
Five GCSE retrieval questions · 20 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 62 + 27
Answer: 62 + 27 = 89 -
2. Algebra Substitution
If x = 10, find the value of 4x + 4
Answer: 44 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 15, 6, 6, 5, 18
Answer: 10