3.8.A

Math3rd Grade

The Standard

summarize a data set with multiple categories using a frequency table, dot plot, pictograph, or bar graph with scaled intervals

Texas Essential Knowledge and Skills for Mathematics

Teacher's field guide

What Students Need to Do: Students organize category data by counting how often each category appears. They show those counts in a frequency table, dot plot, pictograph, or scaled bar graph.
What Mastery Looks Like: Students record correct totals for every category and include clear labels. They use the pictograph key or graph scale correctly and can identify the most, least, and total responses.
Common Misconceptions: Students may miscount repeated items or leave out a category. They may ignore a pictograph key or treat every bar graph interval as one. They may place dots between labels instead of directly above a category.
How to Assess It: Exit ticket: Use the data apples 6, bananas 4, oranges 2, grapes 8. Make a frequency table and a bar graph with intervals of 2.

Lesson moves

Have students sort colored tiles, count each color, and build a dot plot with one dot for each tile.
Show a pictograph and bar graph of the same data, then ask students to explain how both show each category total.
Give pairs of students data cards and graph cards, then have them match each data set to its correct representation.
Survey the class about recess choices, make a frequency table, and create a bar graph using intervals of 2.

Keep exploring

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