Number Sense

Number Sense

Understanding numbers, their relationships and numerical reasoning

Algebra

Algebra

Using symbols to solve equations and express patterns

Geometry

Geometry

Studying shapes, sizes and spatial relationships in mathematics

Measurement

Measurement

Quantifying and comparing attributes like length, weight and volume

Operations

Operations

Performing mathematical operations like addition, subtraction, division

Probability and Statistics

Probability and Statistics

Analyzing uncertainty and likelihood of events and outcomes

Community Resources

Get started with our Resources

Calculator Suite

Explore functions, solve equations, construct geometric shapes

Graphing Calculator

Visualize equations and functions with interactive graphs and plots

Geometry

Explore geometric concepts and constructions in a dynamic environment

3D Calculator

Graph functions and perform calculations in 3D

Scientific Calculator

Perform calculations with fractions, statistics and exponential functions

Notes

Explore our online note taking app with interactive graphs, slides, images and much more

Get started with the GeoGebra Apps

Number Sense

Number Sense

Understanding numbers, their relationships and numerical reasoning

Algebra

Algebra

Using symbols to solve equations and express patterns

Geometry

Geometry

Studying shapes, sizes and spatial relationships in mathematics

Measurement

Measurement

Quantifying and comparing attributes like length, weight and volume

Operations

Operations

Performing mathematical operations like addition, subtraction, division

Probability and Statistics

Probability and Statistics

Analyzing uncertainty and likelihood of events and outcomes

Community Resources

Get started with our Resources

Calculator Suite

Explore functions, solve equations, construct geometric shapes

Graphing Calculator

Visualize equations and functions with interactive graphs and plots

Geometry

Explore geometric concepts and constructions in a dynamic environment

3D Calculator

Graph functions and perform calculations in 3D

Scientific Calculator

Perform calculations with fractions, statistics and exponential functions

Notes

Explore our online note taking app with interactive graphs, slides, images and much more

Get started with the GeoGebra Apps

Absolute Value on a Number Line

Absolute Value on a Number Line

Explore the absolute value of a number along a number line. Find the distance a girl is from her home at the origin.

GeoGebra Content Team

Author:

GeoGebra Content Team

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Putting It All Together

Answer these open ended questions on your own or with others to form deeper math connections.

Open-ended question

Why is the absolute value of a number always positive?

Text and math input

GeoGebra Content Team

Author:

GeoGebra Content Team

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Prerequisite Resources

Exploration

GR. 6-8

Additive Inverse

Exploration

GR. 4-5

Decimal Tenths on a Number Line

Practice

GR. 6-8

Adding Opposites

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Calculating Distances Between Horizontal and Vertical Points Using a Car Exploration

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GR. 9-12

Absolute Value Functions as Piecewise Functions

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Absolute Value of Integers in Money Statements

Next Resources

Practice

GR. 6-8

Calculating Mean Absolute Deviation (MAD)

Practice

GR. 6-8

Finding Vertical and Horizontal Distances Between Points