Warm-up Number Talk: Subtraction within 50
Find the value of each expression mentally.
Activity 1 Measure and Plot Pencil Lengths
Measure the pencils in centimeters. Work with a partner and check each other’s measurements. Record each measurement in the table.
pencil length (cm)
Create a line plot to represent the lengths of all the pencils in your group.
Activity 2 Plot Pencil Lengths
pencil length (centimeters)
Use this data to create a line plot.
The line plot shows the lengths of some pencils in centimeters.
How long is the longest pencil? How long is the shortest?
What is the most common pencil length?