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VIDEO: Brief Review, Video 6

VIDEO: Brief Review: Distance Measures on a Number Line

Distance Measures on a Number Line

A Brief Review of Number Lines

A number line is a horizontal line with equally spaced tic marks representing numbers.

An image of a number line.

You can use a number line to represent numbers on a number line.

An image of two numbers on a number line.

Distance on a Number Line

For any two numbers on a number line, you can find the distance between the two numbers.

An image of two numbers on a number line and the distance between them.

You can find the distance between the two numbers by subtracting.

Using subtraction to find the distance between two numbers on a number line.

Distance is always positive, so find the absolute value of the difference.

Finding the distance between two numbers on a number line.

This technique will also work with negative numbers.

Finding the distance between two numbers on a number line.



In this Brief Review, integers are used to determine distances on a number line.

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Common Core Standards CCSS.MATH.CONTENT.6.NS.C.5
Duration 1.00 minutes
Grade Range 6 - 12
Curriculum Nodes Algebra
    • The Language of Math
        • Numerical Expressions
Copyright Year 2014
Keywords algebra, integers, distance on a number line