4.9.A
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 This Standard Means
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
Ways to Teach It
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.
Keep exploring
Related Standards
- 5.9.A
represent categorical data with bar graphs or frequency tables and numerical data, including data sets of measurements in fractions or decimals, with dot plots ...
- 4.9.B
solve one- and two-step problems using data in whole number, decimal, and fraction form in a frequency table, dot plot, or stem-and-leaf plot
- 6.12.A
represent numeric data graphically, including dot plots, stem-and-leaf plots, histograms, and box plots
- 6.13.A
interpret numeric data summarized in dot plots, stem-and-leaf plots, histograms, and box plots
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