The first instance of Interpreting dot plots with fraction addition and subtraction is under the 4th grade (U.S.) Math Mission. This exercise practices reading a line plot and use of fractions in word problems.

Types of Problems

There is one type of problem in this exercise:

  1. Use the line plot: This problem has a line plot and asks the user to answer a question about the line plot. As the exercise name implies the numbers will involve fractions and can be either addition or subtraction.

    Use the line plot


This exercise is easy to get accuracy badges because a calculator can be used and decimals are acceptable. It is medium to attain speed badges because working with the fractions, simplifying, and regrouping with the fractions is not a fast process all the time.

  1. When subtracting the two most common types ask for the difference between largest and smallest, and first and second largest/smallest. Since it changes, users will have to read carefully each time.

Real-life Applications

  1. Data and statistics appear in news reports and in the media every day.
  2. Many of the problems in this exercise could be viewed as real-life applications.
  3. Statistics can be seen more frequently than calculus in every day life.
  4. This particular problem is common on standardized tests, such as the SAT or GRE.

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