Interpret bar graphs

Learning Objectives Identify the title, axes, labels, and scale of a bar graph. Accurately read the value represented by each bar on a graph. Compare data in a bar graph using terms like 'most', 'least', 'more than', and 'less than'. Find the total value of two or more categories by adding. Find the difference between two categories by subtracting. Solve one-step and two-step word problems using information from a bar graph. What's your favorite type of pizza? 🍕 A bar graph is a super cool way to show which pizza flavor is the most popular in our whole class! In this lesson, you will become a data detective! You will learn how to read and understand bar graphs, which are special pictures that help us see and compare information...

TermDefinitionExample Bar GraphA chart that uses rectangular bars to show and compare amounts or numbers of things.A graph with bars showing that 5 students chose 'dogs', 7 chose 'cats', and 3 chose 'fish' as their favorite pet. TitleThe name of the bar graph that tells you what information is being shown.If the graph shows student pets, the title might be 'Our Favorite Pets'. AxesThe two lines on the bottom and side of the graph. The horizontal line (bottom) is the x-axis and the vertical line (side) is the y-axis.The x-axis might show the 'Type of Pet' and the y-axis might show the 'Number of Students'. LabelsThe words on the axes that tell you what the bars and numbers represent.The x-axis label could be 'Fruit' and...

Finding the Total (Sum) Value_A + Value_B = Total To find the combined amount of two or more categories, you add their values together. Use this to answer questions like 'How many in all?' Finding the Difference Larger_Value - Smaller_Value = Difference To find out how much more or less one category has than another, you subtract the smaller value from the larger value. Use this for 'How many more?' or 'How many fewer?' questions.