Grade 6 Math Worksheet
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2Houghton Mifflin Math
Grade 6, Chapter 22 Investigation
Name
Date
Problem
Find the winning times for the Boston Marathon wheelchair race every year since
2000. Round the times to the nearest minute. Use positive and negative integers
to express the change in the winning times from one year to the next. What is
the difference between the most recent winning time and Jean Driscoll’s time in
1990 (1 hour, 43 minutes, 17 seconds)?
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