Unit Plan
CK-12 Foundation

Ck 12: Algebra: Domain and Range of a Function

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept introduces how to find the domain and range of relations.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Pan Balance Numbers

For Students 5th - 8th
Use this tool to find out if expressions are equal to each other. If the pan balance levels out then the expressions are equal.
Lesson Plan
Better Lesson

Better Lesson: Trimester Assessment Day

For Teachers 2nd
It is important to assess understandings of concepts that students have worked on before moving ahead with new concepts or higher level thinking.
Handout
Other

Dans Math: Lessons: Basic Skills Topics

For Students 9th - 10th Standards
If you're looking for a short review of the basic skills needed for arithmetic, prealgebra, and beginning algebra, this could be the site for you. Dan Bach, who teaches mathematics at Diablo Valley College in California, provides brief...
Lesson Plan
Can Teach

Can Teach: Target: An Equations Game

For Teachers Pre-K - 1st Standards
Using decks of cards and knowledge of number operations, students develop multi-step equations to reach a target number.
Lesson Plan
Utah Education Network

Uen: Equivalent Expressions

For Teachers 9th - 10th Standards
This multi-segment lesson plan uses games and calculators to explore the concept of equivalent expressions. Students work together using inverse operations to isolate variables in algebraic equations. It also provides attachments for...
Interactive
Annenberg Foundation

Annenberg Learner: Thinking About Slope

For Students 6th - 9th Standards
Explore the concept of slope. Ask yourself why the slope between pairs of points would change or why it would stay the same.
Website
Cool Math

Coolmath: Permutations

For Students 9th - 10th Standards
This CoolMath resource will help students understand the concept of "permutations" in
Activity
Free Math Help

Free Math Help: Domain and Range

For Students 9th - 10th Standards
The Algebra session investigates domain and range. Students learn about the concept through definitions and sample exercises with graphs.

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