Lesson 17 Center Day 3

    • Let’s measure to create line plots and add and subtract within 100. 

Warm-up Number Talk: Subtract from a Multiple of 10

Find the value of each expression mentally.

Activity 1 Introduce Creating Line Plots: Inches and Centimeters

We are going to learn a new center, the Creating Line Plots center.

Activity 2 Centers: Choice Time

Choose a center.

Estimate and Measure

Center activity. Estimate and Measure.

Number Puzzles

Center activity. Number Puzzles.

Target Measurements

Center. Target Measurements

Practice Problem

Problem 1

The line plot shows the lengths some students jumped in inches.

Line plot from 25 to 45 by ones. Horizontal axis, jump length, in inches. Beginning at 28, the number of x’s above each increment is 1, 0, 2, 0, 4, 2, 0, 2, 1, 0, 1, 0, 0, 0, 1.

  1. What is the longest jump? What about the shortest?

  2. How much longer is the longest jump than the shortest jump?

  3. How many measurements are shown in the graph?