4.9

Math4th Grade

Knowledge and Skills Statement (Standard Cluster)

The student applies mathematical process standards to solve problems by collecting, organizing, displaying, and interpreting data

Texas Essential Knowledge and Skills for Mathematics

Cluster contents

4.9 is a knowledge and skills statement. These are the student expectations under it.

Teacher's field guide

What Students Need to Do: Students collect or use given data and represent it in a frequency table, dot plot, or stem-and-leaf plot. They read those displays to solve one-step and two-step problems with whole numbers, decimals, and fractions.
What Mastery Looks Like: Students accurately place whole numbers, fractions, and decimals in a labeled display. They use the display to answer one-step and two-step questions and show the operations used.
Common Misconceptions: Students may count a repeated value only once or confuse frequency with the data value. They may misread stems and leaves as separate numbers. Fractions and decimals can also be placed out of order.
How to Assess It: Give students the data 1, 1.5, 1.5, 2, 2.5, 3. Ask them to make a dot plot and find how many values exceed 1.5.

Lesson moves

Have pairs measure eight classroom objects to the nearest half inch, then organize the measurements in a frequency table and dot plot.
Show two data displays and ask, "Which group has more values above 3.5, and how does the display prove it?"
Play Data Display Match by pairing data cards with the correct frequency table, dot plot, or stem-and-leaf plot.
Use cafeteria survey results to make a frequency table, then calculate how many more students chose the two most popular options combined.

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