Khan Academy: Comparing Decimal Numbers on a Number Line

Using a number line can provide students with a concrete representation of the value various numbers hold. Sal plots 6 different numbers on a number line. He includes whole, decimal, and negative numbers.

Sal Khan compares decimals on a number line.

Use number lines to round decimals to the nearest tenth, hundredth, or thousandth.

This video shows how to locate and plot a decimal number on a number line. Practice problems are available. [1:39]

In this exercise, students practice rounding decimals using a number line. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

The teacher identifies decimals graphed on a number line.

Locate 1 on a number line labeled with 0 and a unit fraction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NF.A.1 Standard 2. Understand a...

Use unit fractions to think about the location of other fractions on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NF.A.1...

The teacher identifies a point graphed on a number line.

Match time of a number line to time on an analog or digital clock. Graph a given time on a number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.