Warm-up Number Talk: Addition within 50
Find the value of each expression mentally.
Activity 1 The Plant Project
Use the data in this table to create a line plot.
plant heights (centimeters)
Activity 2 Interpret Measurement Data on a Line Plot
The Plant Project
Answer the questions based on your line plot.
What was the shortest plant height?
What was the tallest plant height?
What is the difference between the height of the tallest plant and the shortest plant? Write an equation to show how you know.
Answer the questions based on Han’s line plot.
Han looked at this line plot and said that the tallest plant was 29 centimeters. Do you agree with him? Why or why not?
How many plants were measured in all?
Write a statement based on Han’s line plot.
The table shows the lengths of different students’ shoes in inches. Complete the line plot with the shoe length data.
Shoe length in inches