Shark Learning
Second/Data Graphing

Reading Bar Graphs

Interpret data presented in vertical bar graphs.
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Study Guide

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Reading Bar Graphs preview

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Practice Questions

  1. How many books did Sam read?
    Show answer

    (B) 10

  2. Who read the most books?
    Show answer

    (B) Sam

  3. How many books did Alex read?
    Show answer

    (B) 8

  4. How many more books did Sam read than Noah?
    Show answer

    (B) 6

  5. How many books did Mia and Noah read in total?
    Show answer

    (B) 10

Quick Tip
A bar graph uses bars to show data. The height of the bar tells you the number.
Teacher Resources
Teaching Notes

Ensure students check the scale (does each line count by 1, 2, 5, or 10?).

Vocabulary
Bar Graph: Uses bars to show data.
Axis: The horizontal or vertical line with numbers.
Common Mistakes
  • Assuming the scale always counts by 1
  • Misreading the scale intervals
  • Confusing categories or bar heights
  • Calculation errors for comparisons
  • Ignoring graph title/labels
Differentiation
SupportUse a ruler to trace from the bar to the axis.
ChallengeCreate a bar graph from a tally chart.
Discussion Questions
  • Why do we use bar graphs?
  • What information does this graph show?
  • Which category is the most popular/least popular?
  • How could this graph be improved or made clearer?
  • Where else might we see bar graphs?
Extension Activities
  • Survey the class and make a bar graph.
Parent Tip

Ask your child to compare quantities shown in a bar graph.

Learning Path
Skill Cluster

Data Analysis and Representation

Estimated Time

15 minutes

Skills Practiced
Bar graphs