How to analyze a bar graph

Bar Graph Analysis

In this simple bar graph, achievement levels in Letter Identification are being compared. The left (vertical) axis represents the numbers of students, and the right (horizontal) axis represents achievement levels. The green bars represent the achievement of a group of students at school entry and the orange bars after one year at school. When analysing bar charts and trend graphs it is good practice to describe what the graph is measuring. If there is no title you should give a description of what the two axes (i.e. the horizontal line and the vertical line) are representing. Two aspects of the graph that are important to look are the measures of spread of the data and the central tendency of the data. Here is a toolkit for analysis.

A bar graph or bar chart is a chart with rectangular bars with lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally. Bar graphs are good for plotting data that spans a length of time for example, for comparing achievement between the beginning and the end of the year or they can be used for comparing different items in a related category for example, achievement results for different classes. In this simple bar graph, achievement levels in Letter Identification are being compared.

The left vertical axis represents the numbers of students, and the right horizontal axis represents achievement levels. The green bars represent the achievement of a group of students at school entry and the orange bars after one year at school. The differences between the two represent the progress made in student achievement levels over that time.

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Sep 22,  · Created with Explain Everything Collaborative Whiteboard for iPad. Jun 23,  · The bar graph’s x-axis is divided into equal intervals of 10 percent, from 0 percent at the meeting point of x- and y-axes to 60 percent going to the right. Its y-axis, meanwhile, scales the sizes of the project from the same zero-point of x-axis to less than \$k as the smallest size in terms of project cost to the designated biggest size, over \$10 million, as the highest point. Write in the color words at the bottom. Have students take turns shading one bar on the sheet to represent their favorite colors. Point to the bottom of the graph, and ask what label should be on it (colors). Draw a line under the color words for the label and write "Colors.".

Bookmark this to easily find it later. Then send your curated collection to your children, or put together your own custom lesson plan. My Education. Log in with different email For more assistance contact customer service. Entire library. Lesson plans. Second Grade. Bar Graphs: Interpreting Data. Lesson plan. Share this lesson plan.

In this lesson, students will make bar graphs and interpret data using real-life data from other students. They will get practice writing and answering survey questions. Contents Contents:. EL Adjustments On Off. Grade Second Grade. Thank you for your input. Mathematics 3. Mathematics PS. Mathematics E. No standards associated with this content.

Which set of standards are you looking for? Students will be able to make a bar graph to represent data. The adjustment to the whole group lesson is a modification to differentiate for children who are English learners. Introduction 5 minutes. Take a quick poll from students on what their favorite season is. Use tally marks, and record results on the board. Tell students that today they are going to use data to make bar graphs. Explain to the students that data are facts or statistics that are collected to help us learn more about something.

Say, "We can create bar graphs from the data we collect! A bar graph is a visual display of bars that compares quantities or numbers. Use the data from the board on favorite seasons to make a bar graph. Draw the bars on the chart paper to represent student answers. Write the title "Favorite Seasons" at the top of the graph, and explain to students that bar graphs should include a title.

Explain to students that bar graphs also need a scale, scale label, categories, and category label. Continue completing the bar graph by adding the rest of the labels and the data. Discuss each part of the graph with your students.

Guided Practice 15 minutes. Draw circles on the board and use different colors to color in each circle. Take a poll, asking students to name their favorite colors. Draw tally marks beside each color as students name their favorites.

Display a copy of the Blank Bar Graph worksheet for students to see. Write in the color words at the bottom. Have students take turns shading one bar on the sheet to represent their favorite colors. Point to the bottom of the graph, and ask what label should be on it colors. Draw a line under the color words for the label and write "Colors.

Write "Number of Students" on the left side of the graph. Ask questions about the graph to check for understanding. For example: "Which color is most liked?

How many people like red? What does this information show us? What did we learn from collecting data and showing it in a bar graph? Independent working time 10 minutes. Give students the Jake's Nature Hike worksheet. Read over the directions with the students. Have students complete the graph on their own. Download to read more.

Enrichment: For advanced students, instruct them to create their own questions other students can answer by using the data in the graph. For example: "How many more people like green than red? Support: Help students who need support write the labels on the graph. Instruct them to shade in the bars, showing them how the numbers on the left correspond with how many people like a certain color.

Have them create line plots instead of bar graphs, until they see the correlation between the numbers on the axis and the number of items.

Assessment 5 minutes. Review and closing 5 minutes. Ask students to explain how to make a bar graph. Have a volunteer take a quick poll, and invite other students to quickly sketch a graph on the board. Related learning resources. Picnic Bar Graph. Which picnic games do you prefer? This bar graph shows some of the most popular picnic activities. Students will learn about analyzing data from a bar graph. In this math worksheet, children will read a bar graph about popular winter sports, then practice extracting and analyzing data as they answer five questions.

Pick a Flower Pictograph. Find out exactly how many flowers Stefanie has planted with this pictograph for kids. Your child will learn how to analyze and interpret data. Practice Test: Bar Graphs and Pictograms. Help your first grader review simple graphs with this nifty printable practice quiz.

Vanilla, chocolate, strawberry, or chocolate chip? Sweeten up graph practice with this simple picture graph! Reading a Bar Graph: Number of Athletes. In this sports-themed worksheet, children use a bar graph to answer six questions about the number of athletes playing at a time in a variety of sporting events.

Math: Everything in its Place Value. Understanding the value of a number has never been more inviting. This series of worksheets will give your second grader the opportunity to count, read and compare numbers. Ready, set, measure! Practice measuring in centimeters and inches using your very own paper ruler! Dollars and Sense. This workbook makes sense of cents and the dollar bill. This set of worksheets will usher kids through counting, matching prices to money, and making change, with word problems and visual aids.

Pictographs: Say Cheese! To keep track of his cheese sales, Giovanni uses a pictograph. Kids will figure out how his cheese business is doing by using data in the graph. Gather Data: Record Your Favorites. Use this helpful math worksheet to support children in gathering and organizing data so they can create and interpret graphs.

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