Sample question 3 asked students to read a scale on a number line presented in the context of a bicycle speedometer. To answer the question, the student had to determine the value corresponding to a point halfway between the points marked at 10 and 20 miles per hour.
85 percent of 9-year-olds answered this question correctly.
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The bicycle speedometer above shows about what speed?
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10 miles per hour
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15 miles per hour
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20 miles per hour
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45 miles per hour
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The correct answer is B.
See more about this question in the NAEP Questions Tool.