Keystones — Bedrock
Five GCSE retrieval questions · 20 March 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 54
Answer: 73 + 54 = 127 -
2. Algebra Substitution
If x = 6, find the value of 8x + 5
Answer: 53 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 3, 14, 9, 10
Answer: 9