1.
What is the perimeter of the following
figure? (4th grade and up)

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Current number of math
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Free Math for Kids (first
grade, second grade, third grade, fourth grade, fifth grade, sixth grade and
seventh grade)

This site contains first through seventh grade free math problems with
answers that help you with math competitions. Brain teasers, hard math
problems that you (parents. students and teachers) can practice to prepare for elementary mathematics contests or
middle school, junior high school math
competitions such as Math Olympiad Contest, Math Super Bowl and Math Counts.