Khan Academy
Khan Academy: Equivalent Forms of Exponential Expressions
Determine whether pairs of exponential expressions are equivalent.
CK-12 Foundation
Ck 12: Algebra: Expressions and the Distributive Property
[Free Registration/Login may be required to access all resource tools.] Use the distributive property to write equivalent numerical and algebraic expressions
CK-12 Foundation
Ck 12: Elem Math: Expressing Thousandths as Decimals
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems involving expressing thousandths as decimals.
Khan Academy
Khan Academy: Equivalent Forms of Exponential Expressions
Determine whether pairs of exponential expressions are equivalent. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
PBS
Pbs: Commutative and Associative Properties of Addition
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.
Khan Academy
Khan Academy: Distributive Property With Variables (Negative Numbers)
In this exercise, students practice applying the distributive property to create an equivalent expression. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Common Core Sheets
Common Core Sheets: The Number System 7.ns.1c Worksheets
Print or create worksheets or flashcards to assess students' understanding of converting a subtraction problem to an addition problem and finding equivalent expressions.
Khan Academy
Khan Academy: Rewrite Exponential Expressions
Rewrite a given exponential expression in a specific desired form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: A sse.b.3: Ice Cream
This task illustrates the process of rearranging the terms of an expression to reveal different aspects about the quantity it represents. Aligns with A-SSE.B.3.
Illustrative Mathematics
Illustrative Mathematics: 7.ee Miles to Kilometers
In this lesson, 7th graders write algebraic expressions and determine if they have the same answer.
CK-12 Foundation
Ck 12: Elem Math: Expressing an Equivalent Decimal Ending in Zero to Thousandths
[Free Registration/Login may be required to access all resource tools.] The video describes how to add zeros as place holders at the end of a decimal to make an equivalent decimal out to the thousandths place value in this example.
Mangahigh
Mangahigh: Number: Calculator Problems
Determine equivalent expressions using different calculations to result in the same solution.
Khan Academy
Khan Academy: Fractional Exponents
Evaluate numerical expressions with rational exponents, and convert between equivalent forms of exponential and radical expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
Khan Academy
Khan Academy: Rational Exponents Challenge
Choose equivalent forms of radical and exponential expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Common Core Sheets
Common Core Sheets: Ratios and Proportional Relationships 7.rp.2c Worksheets
Print or create worksheets or flashcards to assess students' understanding of how to express a proportional relationship as an equation.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Skill in Algebra: Algebraic Fractions
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....
Illustrative Mathematics
Illustrative Mathematics: Seeing Is Believing
The purpose of this task is to help students see that 4x(9+2) is four times as big as (9+2). Though this task may seem very simple, it provides students and teachers with a very useful visual for interpreting an expression without...
National Council of Teachers of Mathematics
Nctm: Illuminations: Pan Balance Numbers
Use this tool to strengthen understanding and computation of numerical expressions and equality using a balance scale.
Texas Education Agency
Texas Gateway: Applying the Order of Operations
Given a numerical expression including whole number exponents and prime factorization, students will use the order of operations to generate an equivalent expression.
Student Achievement Partners
Illustrative Mathematics: Profit of a Company [Pdf]
Assess students understanding of three equivalent quadratic expressions with this assessment.
University of Vienna (Austria)
University of Vienna: Substituting Numbers in Terms
Match algebraic expressions which are equivalent for a given value of x. Expressions are not equal except for the given value, therefore each expression must be evaluated separately. Assessment grades your performance after completion.
Interactive Mathematics
Interactive Mathematics: Factoring and Fractions
Polynomials are the focus of these lessons, concentrating on factoring and special products to work with rational expressions. Interactive tools of Live Math and Scientific Notebook are used to provide animated solutions to the examples....
Illustrative Mathematics
Illustrative Mathematics: 6.ee Rectangle Perimeter 2
This task is a natural follow up for task Rectangle Perimeter 1. After thinking about and using one specific expression for the perimeter of a rectangle, they now extend their thinking to equivalent expressions for the same quantity....
Khan Academy
Khan Academy: Powers of Powers
Rewrite powers of powers into equivalent expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or get hints.