Keystones — Bedrock
Five GCSE retrieval questions · 5 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 97
Answer: 47 + 97 = 144 -
2. Algebra Substitution
If x = 5, find the value of 6x + 11
Answer: 41 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 17, 17, 5
Answer: 13