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Read a Line Plot of Shell Lengths

Written by Adi Ackerman, Head Teacher

"Read a Line Plot of Shell Lengths" is written for 2nd Grade (Ages 7-8), and it covers Common Core 2.MD.D.9. If your little one is a year younger but already steady on data & graphing, the page still works. You may just need to read the instructions out loud. And if they are older and line plots never quite stuck, this is a short review rather than busywork.

Popular with 2nd Grade teachers · Downloaded 321 times
Read a Line Plot of Shell Lengths
Read a Line Plot of Shell Lengths

2nd grade math worksheet: read a line plot of 14 shell lengths in centimeters and answer 5 questions on how many and how much longer. Answer key included. Part of our line plots data & graphing collection. Aligned to Common Core standards.

How do I use this worksheet?

Before handing out the worksheet, briefly introduce the concept with a short oral warm-up or a visual model on the board. Let students work through it independently after a quick group example, checking in with a partner if they get stuck, encouraging them to talk through their thinking: "What strategy are you using? How do you know that is right?" After completing the worksheet, review any missed problems together and discuss the reasoning rather than just the answer. For extra support, let students use manipulatives or draw pictures alongside the written problems. These line plots worksheets work well as daily practice, homework, or a focused review activity.

What students will practice

  • Students will read a line plot of shell lengths in centimeters.
  • Students will count the 14 shells measured and the shells shorter than 4 centimeters.
  • Students will find how much longer the longest shell is than the shortest.


Curriculum Links

Common Core State Standards

Measurement and Data · 2nd Grade

2.MD.D.9

Standard: Generate measurement data by measuring lengths of several objects to the nearest whole unit, or by making repeated measurements of the same object. Show the measurements by making a line plot, where the horizontal scale is marked off in whole-number units.

View all 2.MD.D.9 worksheets →

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FAQ

How do I use this line plots worksheet?

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Before handing out the worksheet, briefly introduce the concept with a short oral warm-up or a visual model on the board. Let students work through it independently after a quick group example, checking in with a partner if they get stuck, encouraging them to talk through their thinking: "What strategy are you using? How do you know that is right?" After completing the worksheet, review any missed problems together and discuss the reasoning rather than just the answer. For extra support, let students use manipulatives or draw pictures alongside the written problems. These line plots worksheets work well as daily practice, homework, or a focused review activity.

What does this worksheet teach?

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Read a line plot of 14 shell lengths in centimeters and answer 5 questions on how many and how much longer. A line plot is a number line with an X for each thing measured. Each X is one shell. The directions on the page read: Read the line plot. Then, answer each question on the line. An answer key is included.

Can I use this line plots worksheet for homeschool or classroom?

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Yes, both. We made it for 2nd Grade data & graphing, and the page works the same whether it lands on a kitchen table or a center rotation. At home, most families go through it together and talk the answers out loud, and that talking is where most of the learning happens with line plots. In class it runs well as independent work while you pull a small group. Print one copy or thirty, whichever the day needs.

What is a line plot?

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A line plot shows data on a number line, with each data point marked as an X above its value. Multiple Xs above the same number show that value occurred multiple times. For example, if four students are 48 inches tall, there will be four Xs above 48 on the line plot.

What kind of data do 2nd graders display in line plots?

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CCSS 2.MD.D.9 asks students to measure objects to the nearest whole unit and display the data in a line plot. Typical examples: lengths of pencils, heights of plants, number of books read. The data must be measured (not just categorical) to use a line plot.

How is a line plot different from a bar graph?

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A line plot shows individual data points on a continuous scale - you can see every measurement. A bar graph shows totals per category. Line plots are better for seeing the distribution and spread of measurements; bar graphs are better for comparing totals across categories.

What data and graphing skills do 2nd graders learn?

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CCSS 2.MD.D.10 asks 2nd graders to draw a picture graph and a bar graph with a single-unit scale for data in up to four groups, and to solve put together, take apart and compare problems from the graph. CCSS 2.MD.D.9 adds measuring objects to the nearest whole unit and showing the lengths on a line plot.

What is the difference between a picture graph and a bar graph?

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A picture graph shows each thing as a picture, and its key tells what one picture stands for. A bar graph shows each group as a bar that reaches a number on the scale. In 2nd grade each picture or grid line stands for 1.

What kinds of questions do the graph worksheets ask?

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How many are in one group, how many more or fewer one group has than another, how many are in two groups together, how many in all, and what happens when some are added or taken away, such as 4 trucks driving out of a parking lot.

Do these worksheets have answer keys?

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Yes. All 37 2nd grade data and graphing sheets have an answer key.

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Worksheet Details

Grade2nd Grade
SubjectMath
TopicData & Graphing
Standard2.MD.D.9
Pages1 page
DifficultyMedium

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