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

This lesson explains the different types of notation used in describing solutions of graphs on number lines. Covers the basics as well as set and interval notation. Practice exercises and their solutions are also available to you.

Use these resources in preparing instruction on undefined terms (points, lines, and planes), theorems relating lines and planes, and Euclidean and non-Euclidean geometry. You'll find three lessons on the aforementioned subject areas, an...

Do you want to know how to pronounce really big numbers? Paul can teach you!

In this activity, students explore addition and subtraction of integers.

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on determining if there are straight lines in various two dimensional shapes.

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on counting lines and curves in various two dimensional shapes.

In this lesson, eighth grade students will learn the steps necessary to approximate the square roots of numbers that are not perfect squares. Students will use a number line as a visual aid to complete this task.

A very basic worksheet on number lines; printable for student's use. Requires Adobe Reader.

Explains the basic rules for solving inequalities. Gives examples and exercises with solutions to practice this skill.

Twenty-two problems present a variety of practice working with perpendicular and parallel lines. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...

This tutorial gives a very basic definition of lines.

Great place to go for help teaching basic manuscript writing skills. Printable resources available include blank lined paper of various sizes, alphabet and number tracing guides, "make your own" traceable worksheets, and more. There's...

Boost your ability to add number line fractions with unlike denominators with this interactive math game. A basic understanding of factors is key to success. Instructions with detailed examples are easily accessible.

A set of seven short tutorials on addition. Begins with a basic introduction to how addition works, and covers topics such as using a number line, place value, and regrouping.

Students will be introduced to one of the basic elements of art-line-by analyzing types of lines used in various works of art to help students understand how artists use line to convey movement and mood. They will then create an abstract...

In this exercise, students practice determining the linear equation and slope from two points on a line graph. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.

Explains the basic concept of congruent triangles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

[Free Registration/Login may be required to access all resource tools.] The video shows how to count the number of straight lines and curves in a given 2D figure. The video is followed by practice problems.

Sixteen problems present a variety of practice finding the equation of a line. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to...

Great place to go for help teaching basic cursive writing skills. Printable resources available include blank lined paper of various sizes, alphabet and number tracing guides, "make your own" traceable worksheets, and more. There's even...

Twenty problems present a variety of problems working with various aspects of finding the midpoint of a line segment. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem...

In this activity, students explore linear equation models for real-life situations. They learn to find a linear equation when two pairs of related points are on a line.

In this lesson concept we use the Activity Center to build some basics in students understanding of linear functions. The linear relationship is clearly one of the big ideas of the algebra curriculum, and it paves the way for a deeper...