Handout
CK-12 Foundation

Ck 12: Algebra: Number Lines Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to review number lines. Examples are included.
Unit Plan
Khan Academy

Khan Academy: Rational Numbers on the Number Line

For Students 5th - 7th Standards
Practice placing positive and negative fractions and decimals on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
eBook
Mathigon

Mathigon: Graphs and Networks: Planar Graphs

For Students 9th - 10th
Here is another puzzle that is related to graph theory. In a small village there are three utility plants producing water, electricity and gas respectively. There are also three houses which need to be served. Unfortunately, due to the...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Rei the Circle and the Line

For Teachers 9th - 10th Standards
Students are required to solve a system of equations in this task which will demonstrate their understanding of the correspondence between intersection points of the two graphs and solutions of the system. Aligns with A-REI.C.7.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Dynamic Paper

For Students Pre-K - 1st Standards
Need a pentagonal pyramid that's six inches tall? Or a number line that goes from -18 to 32 by 5's? You can create all those things and more.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs Using Slope Intercept Form

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to graph lines using slope-intercept form.
Unit Plan
Cool Math

Coolmath: Solving Inequalities What Your Answers Will Look Like (Intervals)

For Students 9th - 10th Standards
Reference material and practice problems graphing inequalities.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra: The Slope of a Line

For Students 9th - 10th Standards
This tutorial will show you how to find a the slope of graph, write a linear equation in slope-intercept form. You'll also learn how to determine whether two lines are parallel or perpendicular to each other. For advanced math students.
Website
Cool Math

Coolmath: Solving Inequalities Solving Basic Guys

For Students 9th - 10th Standards
This CoolMath resource will help students learn how to solve inequalities and graph them on a number line.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Beginning Algebra: Slope

For Students 9th - 10th
A tutorial on slope with many step-by-step examples. The tutorial clarifies what slope is, how to find slope between two points on a graph, and how slopes of parallel and perpendicular lines are related.