TEKS Math 4.9.A

Math4th Grade

The Standard

represent data on a frequency table, dot plot, or stem-and-leaf plot marked with whole numbers and fractions

Texas Essential Knowledge and Skills for Mathematics

Teacher's field guide

What Students Need to Do: Students take a list of whole-number or fractional data and organize it in a frequency table, dot plot, or stem-and-leaf plot. They choose accurate intervals and include labels that make the display readable.
What Mastery Looks Like: Students organize a data set and show every value accurately in the requested display. They use equal intervals, stack dots correctly, order leaves, and include clear labels or a key.
Common Misconceptions: Students may count a repeated value only once instead of recording its full frequency. They may space fractions unevenly, misalign stems and leaves, or forget titles, labels, and keys.
How to Assess It: Give students the data set 1, 1 1/2, 2, 2, 2 1/2, 2 1/2, 3. Ask them to make a labeled frequency table and dot plot.

Lesson moves

Have pairs measure eight classroom objects to the nearest half inch, then record the results in a frequency table and dot plot.
Ask students to compare a dot plot and frequency table made from the same data, then write which display shows repeated values more clearly.
Play Data Display Relay, where teams draw a data card and correctly add its value to a frequency table, dot plot, or stem-and-leaf plot.
Use weekly rainfall amounts marked in quarter inches, and have students create a display that helps a gardener compare the measurements.

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