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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Factor quadratic expressions in which the coefficients a, b, and/or c are negative.
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Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
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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...
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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...
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Unit Plan
Khan Academy

Khan Academy: Negative Exponents

For Students 7th - 8th Standards
Practice computing numbers with negative exponents. Exponents may be fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly and to watch a video or get hints.
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Unit Plan
PBS

Pbs: Simplifying the Sum of Two Algebraic Expressions

For Students 6th - 8th
Simplify expressions with rational numbers using the distributive property of multiplication. This student-generated video focuses on using the distributive property to create equivalent expressions when multiplying by negative numbers...
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Unit Plan
PBS

Pbs: Simplifying an Algebraic Expression

For Students 6th - 8th
Simplify expressions with rational numbers using the distributive property of multiplication. This student-generated video focuses on using the distributive property to create equivalent expressions when multiplying by negative numbers...
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Handout
Help Algebra

Help algebra.com: Addition & Subtraction of Real Numbers

For Students 9th - 10th Standards
Using a number line, the technique for adding and subtracting real numbers is demonstrated. Notation and calculator use is also touched on at the end of the lesson.
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Handout
Purple Math

Purplemath: Practical Algebra Lessons

For Students 9th - 10th Standards
Pre-Algebra and algebra lessons, from negative numbers through Pre-Calculus. Grouped by level of study. Lessons are practical in nature, informal in tone, and contain many worked examples and warnings about problem areas and probable...
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Unit Plan
Sophia Learning

Sophia: Introduction to Roots and Radicals

For Students 9th - 10th
Sophia: Introduction to Roots and Radicals uses teacher tutorials and online assessments to introduce and analyze concepts such as Even Roots, Negative Numbers, Odd Roots, Partial Root, Perferct Squares, Radicals Root, and Roots.
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Handout
Math Warehouse

Math Warehouse: Complex and Imaginary Numbers

For Students 9th - 10th Standards
Features numerous exercises relating to complex and imaginary numbers. Includes video tutorials, calculators, worksheets and more.
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Handout
Help Algebra

Help algebra.com: The Real Number System

For Students 9th - 10th Standards
Natural numbers, whole numbers, integers and rational numbers begin this lesson on the real number system. You can also learn more about the number line and absolute value. Examples and diagrams are included to enhance understanding.
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Lesson Plan
Alabama Learning Exchange

Alex: Imaginary Numbers? What Do You Mean Imaginary?

For Teachers 9th - 10th
Is it any wonder that students are suspicious? We lead, sometimes drag, them through Algebra I insisting they must follow the order of operations. We make them learn the "hard way" of doing an assignment one day only to show them the...
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Unit Plan
CK-12 Foundation

Ck 12: Analysis: Imaginary Numbers

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students will identify imaginary and complex numbers, basic evaluation of imaginary numbers. Students examine guided notes, review guided practice,...
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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...
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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.
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Unit Plan
CK-12 Foundation

Ck 12: Factor Quadratic Expressions With Negative Coefficients

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Factor quadratic expressions in which the coefficients a, b, and/or c are negative. Students can watch videos and follow along with notes. There is also practice...
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Unit Plan
Oswego City School District

Regents Exam Prep Center: Signed Numbers

For Students 9th - 10th
This tutorial on signed numbers features lesson plans, practice pages, examples, application problems, and interactive work. Teacher resources include overhead manipulatives, card games, a Bingo game, and graphing calculator downloads.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Equations With Decimals

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Solve multi-step equations that involve decimals
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Handout
University of St. Andrews (UK)

University of St. Andrews: Nicholas Chuquet

For Students 9th - 10th
This site from the University of St. Andrews provides a biography of mathematician Nicholas Chuquet, who was the first to use negative numbers as exponents and coefficients.
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Whiteboard
ClassFlow

Class Flow: Pre Algebra Problem Solving

For Teachers 9th - 10th
[Free Registration/Login Required] This flipchart contains manipulatives for creating addition and subtraction problems using positive and negative numbers. There is an example problem which teachers can use to help design their own...
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Unknown Type
Math Slice

Math Slice: Sundee Slice Special Test

For Students 3rd - 8th Standards
A concise tool for assessing a variety of math concepts including measurement, algebra, number sense, and data. Assessment is scored online immediately. An excellent tool for quick assessment.
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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...
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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.