Lesson 2 Features of a Number Line

    • Let’s explore the features of a number line.

Warm-up Choral Count: Count by 5

Count by 5, starting at 0.
What patterns do you see?

Activity 1 Class Number Line

Today, you are going to create a class number line to represent the numbers from 0 to 30.

Activity 2 Analyze Number Lines

A clothesline with the numbers 7, 8, and 9 hanging on it.

Jada’s number line

Number line. Scale, 0 to 10, by 1's. Blank tick mark between 1 and 2 and between 5 and 6. 

Andre’s number line

drawn number line with 0-10 tick marks spaced unevenly

Elena’s number line

drawn number line with 0-10 tick marks spaced evenly
  1. How should Jada revise her number line?

  2. How should Andre revise his number line?

  3. How should Elena revise her number line?

  4. Fill in the numbers to create your own number line.

    Number line. 11 evenly spaced tick marks. First tick mark labeled zero. All other tick marks labeled blank.

Practice Problem

Problem 1

Here is Mai’s number line. How should she revise her number line?

Number line. Scale 10 to 0 by 1's. Evenly spaced tick marks. First tick mark, 10. Last tick mark, 0.