Provides examples and a video lesson that illustrates how to compose a mathematical expression.

An equation that contains at least one rational expression is called a rational equation. You solve a rational equation as you solve any other equation.

Overview of how to write algebraic expressions with step-by-step examples.

Practice plugging in values to evaluate real-world algebraic expressions. These are introductory problems, so the expressions aren't too complicated. Students receive immediate feedback and have the opportunity to try questions...

The purpose of this task is to study the rules of exponents in the context of trying to make sense of a challenging mathematical expression. Teachers will critically analyze each student's argument. Aligns with N-RN.A.1.

This task can be used for assessment, practice or even to motivate students via an in-class discussion of why it is useful to rewrite exponential expressions in equivalent forms. Aligns with A-SSE.B.3.c.

Explains how to find a common denominator between two rational expressions and how to reduce a fraction that involves factoring. There are example problems solved, problems for the student to attempt, and answers to the student problems....

Definitions, example problems, and practice exercises will help you evaluate and write algebraic expressions.

[Free Registration/Login may be required to access all resource tools.] Learn how to factor quadratic expressions. Includes examples, videos, review exercises, and a quiz.

How to simplify radical expressions is explained through the use of examples and a video lesson. [2:29]

[Free Registration/Login may be required to access all resource tools.] Students compare the times on two clocks and calculate what time it will be before or after a given time interval, which clock shows an earlier or later time, etc....

This site expresses Stokes Theorem: the relationship between curl, gradient, and divergence theorem. Includes references and links to further information.

These weekly activities are cross-curricular but emphasize Social-Emotional Learning, Math and Literacy development. This week (December 21st), we're learning how developing new artistic ideas helps us to express our thoughts and feelings.

Rewrite some elaborate exponential expressions that involve fractional exponents and radicals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Rewrite exponential expressions (where the exponent can be a fraction) using the properties of exponents. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

The purpose of this problem is to rewrite simple rational expressions in different forms to exhibit different aspects of the expression, in the context of a relevant real-world context, in this case, the fuel efficiency of a car. A-APR.D.6.

This site explains how to evaluate exponents of positive and negative numbers. The site provides games and exercises to practice the skill.

Practice exercise reviews rational exponents including how to simplify or evaluate expressions and write the answer with either positive or no exponents.

Here is a site that clearly and thoroughly explains removing grouping symbols like parentheses, braces, and brackets. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this...

Simplify rational expressions that contain rational expressions within their numerators or denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Generate equivalent expressions using two additive properties. This video focuses on using the associative and commutative properties of addition to combine like terms, simplify expressions, and create equivalent expressions.

Provides practice problems that review limits at infinity concentrating on polynomials and rational expressions and a brief look at horizontal asymptotes.

Watch as the organ function grinder from the National Museum of Mathematics represents a quadratic function in a variety of ways. This video focuses on converting a verbal expression into an algebraic representation.

The purpose of this task is to identify the structure in the two algebraic expressions by interpreting them in terms of a geometric context, a series of squares filled with dot arrangements. Students are asked to notice a pattern and...