standard_description: Know that straight lines are widely used to model relationships between two quantitative variables. For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line.
problem_activity: Stage 3: Eighth Inches, Add and Subtract
Required Preparation
Materials to Gather
Objects of various lengths
Rulers (inches)
Materials to Copy
Blackline Masters
Creating Line Plots Stage 3 Recording Sheet

Narrative
Students measure up to eight objects to the nearest
\(\frac{1}{8}\)
inch. They work with a partner to create a line plot to represent their measurement data. Then, they ask their partner two questions that can be answered based on the data in their line plot that uses addition or subtraction.
Variation:
If students completed the Estimate and Measure Center, they may choose to use their length measurements to represent on the line plot.
Additional Information
Gather or identify objects of various lengths (pencils, markers, books, glue, scissors, shoe, tape dispenser, side of desk, length of bulletin board).


aligns: no