Lesson Plan
Illustrative Mathematics

Bookstore Account

For Teachers 6th - 8th Standards
We use debt often to describe negative numbers and your learners will be able to see how it translates into math. They will be asked to go through a series of transactions and make simple equations for each one, following it with a...
Activity
Ms. Amber Nakamura's Mathematics Website

Algebra Project

For Teachers 9th - 12th Standards
What would your dream house look like? A cottage? A medieval castle? High schoolers enrolled in Algebra design the perfect house while using slopes to write equations for various aspects of the project.
Activity
5280 Math

Stories That Formulas Tell

For Teachers 8th - 10th Standards
Learn the stories a formula holds. An interesting lesson takes a unique approach to teach how to use formulas. Beginning with a formula, learners predict what the variables stand for and then use the formula to make calculations and tell...
Lesson Plan
Education Development Center

Geography of the Number Line

For Teachers 5th - 8th Standards
It's more than just numbers on a line, its an organizational, mental math machine to help learners understand the value of numbers. The tool is handy when introducing positive and negative integers to see their values and...
Activity
5280 Math

Integer Interpreter

For Teachers 8th - 9th Standards
Can you add variables if you don't know their value? Using an empty number line, scholars first locate the position of the difference, sum, product, and quotient of two unknown integers. Later problems mix operations as well as add...
Lesson Plan
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Illustrative Mathematics

Oakland Coliseum

For Teachers 9th - 12th Standards
Help algebra learners relate a real-life function that happens at the Oakland Coliseum every time the Raiders play. The resource states that the revenue of the Oakland Raiders home games is a function of the number of seats sold and the...
Lesson Plan
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Curated OER

Do Two Points Always Determine an Exponential Function?

For Teachers 9th - 12th Standards
Algebra learners explore, analyze and build an exponential equation given its form and a specific point that exists on the function in this task. The last question asks learners to apply their ideas to an exponential equation given two...
Lesson Plan
Curated OER

Domains

For Teachers 9th - 12th Standards
Your algebra learners work to address the order of operations applied to an expression's input variable and the limitations that may be created because of it. This simple task of a few very well-chosen exercises is elegant in it's way of...
Activity
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Oregon Department of Education

Building Number Sense

For Teachers Pre-K - 1st Standards
It's never too early to begin a child's math education. This collection of fun hands-on activities engage youngsters in building their number sense as they learn how to count objects, identify numerals, compare amounts, and much more.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Add and Subtract With Negatives

For Students 9th - 10th Standards
Find a quick, concise explanation of how to add and subtract with negatives. Step by step examples are included to help you understand how to find the sum or difference when negative numbers are involved.
Activity
Purple Math

Purplemath: Algebra Resources

For Students 9th - 10th
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...
Activity
Lesson Tutor

Lesson Tutor: A Beginning Look at Basic Algebra

For Students 9th - 10th Standards
Twelve lessons are provided as an introduction to basic algebra. Each covers the topic clearly, providing examples with explanations as well as practice problems and their solutions for the user. Topics highlighted here include: solving...
Activity
Interactive Mathematics

Interactive Mathematics: Basic Algebra

For Students 9th - 10th
Interactive lessons are provided for many topics in algebra, including: laws of algebra, powers, roots and radicals, algebraic expressions, equations, and more. Use the links to navigate the tutorial and learn more focused concepts. The...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Multiply and Divide With Negatives

For Students 9th - 10th Standards
Find a quick, concise explanation of how to multiply and divide with negative numbers. An example is given and clearly explained for each.
Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Multiplying and Dividing Signed Numbers

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains multiplying and dividing signed numbers. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Integers

For Students 9th - 10th Standards
Find a quick, concise explanation of integers. A helpful diagram is given and clearly explained that shows the relationship of integers to other number groups.
Activity
Wyzant

Wyzant: Simplifying Multiple Signs Worksheet

For Students 9th - 10th Standards
Dealing with multiple positive and negative signs in an algebra equation can be a challenge for some students. This inter-active quiz from WyzAnt provides 20 multiple-sign equations and their answers for students to test their knowledge.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: High School Basic Algebra Review

For Students 9th - 10th Standards
An overview of basic high school algebra topics can be found here. Absolute value, signed numbers, inequalities and equations, mixture problems, and direct and indirect variation are all listed, each with links to questions posed by...
Activity
Other

Interactive Algebra: Factoring With Negatives

For Students 9th - 10th
These randomly generated polynomials allow you practice factoring. Some of the polynomials contain leading coefficients that are negative. Hints are available when needed and, when ready, you can check your answer.
Activity
Wyzant

Wyzant: Prime Factors Calculator

For Students 3rd - 8th Standards
Students input a number to be factored and the WyzAnt calculator does the rest. Limitations include the fact that numbers which are negative or which contain primes bigger than 541 cannot be handled.
Activity
Wyzant

Wyzant: Exponents

For Students 6th - 9th Standards
The lesson from WyzAnt begins with a review of the definition of exponents then proceeds to several examples which show the definition in action. Special cases such as those involving negative bases as well as the zero exponent and the...