Stem and Leaf Plots Worksheets

What Are Stem & Leaf Plots? Statistics is that branch of mathematics which makes most of our jobs easier when dealing with complex numbers. Among the different uses, one of the most profound methods of identifying the nature of the values in a sample space, we use stem and leaf plots. Stem and leaf plots are a method to show the frequency with which certain classes of values are identified. Based on the class values, you can make a distribution table, histogram, and other graphs as well. Not to mention the stem and leaf plot as well. Let's take an example where you have the following list of values, 12, 14, 20, 25, 31, 32, 37, 40, 41, and 42. Now, you have to make a stem and leaf plot. Observe the table below.

Stem Leaf
1 2, 4
2 0, 5
3 1, 2, 7
4 0, 1, 2
The stem shows the tens values, while the leaf shows all the one's digits for each ten.

  • Basic Lesson

    Using a snap shot of random data, students learn to read and make stem and leaf plots. Example: Each morning, a teacher quizzed his class with 20 geography questions. The class marked them together and everyone kept a record of their personal scores. As the year passed, each student tried to improve his or her quiz marks. Every day, Elliot recorded his quiz marks on a stem and leaf plot. This is what his marks looked like plotted out.

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  • Intermediate Lesson

    Students begin to make stem and leaf plots. 1. On the left hand side of the page, write down the thousands, hundreds or tens (all digits but the last one). These will be your stem. 2. Draw a line to the right of these stems. On the other side of the line, write down the ones place (last digit of a number). These will be your leaves.

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  • Independent Practice 1

    Students make 20 stem and leaf plots. This stem and leaf plot shows how long (min.) it took each student in a class to complete a home work assignment.

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  • Independent Practice 2

    Students make another 20 stem and leaf plots.

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  • Homework Worksheet

    Offers 12 questions for home and provides an example.

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  • Skill Quiz

    Students use a series of stem and leaf plots to answer 10 quiz questions.

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  • Homework and Quiz Answer Key

    Answers for the homework and quiz.

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  • Answer Key

    Answers for the lesson and practice sheets.

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Ever Heard of Scatter Plots?

Scatter plots use horizontal and vertical axes to plot data points. They show how one variable is affected by another: their correlation. The closer the data points come to making a straight line, the higher the correlation between the variables.