Please pardon our progress while we refine the look and functionality of our new ALEX site! You can still access the old ALEX site at alex.asc.edu. If you would like to share feedback or have a question for the ALEX Team, you can use the contact form here, or email us directly at administrator@alex.state.al.us.

### Knowledge

Students know:
• Nearest half and nearest quarter inch on a ruler.
• A ruler is a type of number line and shows fraction of 1/2 and 1/4.

### Skills

Students are able to:
• Measure objects to the nearest half and fourth of an inch.
• Create a line plot to display the data of the objects measured.

### Understanding

Students understand that:
• A line plot is a graph that displays a distribution of data values, including whole numbers, halves and quarters, such that each data value is marked above a horizontal line with an X or dot.
• A ruler is a type of number line partitioned equally and shows halves and fourths.

• Halves
• Fourths
• Data
• Line plot
• Unit
• Quarter inch
• Horizontal
• Partition