# 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

Number Puzzles

Target Measurements

## Practice Problem

## Problem 1

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

What is the longest jump? What about the shortest?

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

How many measurements are shown in the graph?