National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Using Interval Notation to Express Answers
"Dr. Math" responds to a student question about solving an inequality involving a variable in the denominator.
Illustrative Mathematics
Illustrative Mathematics: 6.ee Distance to School
This task asks learners to find equivalent expressions by visualizing a familiar activity involving distance. The given solution shows some possible equivalent expressions, but there are many variations possible. Aligns with 6.EE.A.2.
CK-12 Foundation
Ck 12: Algebra: Numerical Expression Evaluation
[Free Registration/Login may be required to access all resource tools.] In this lesson students use the order of operations to verify that solutions to numerical equations are correct. Students examine guided notes, review guided...
Khan Academy
Khan Academy: Equations With One Rational Expression
Solve equations that have one rational expression whose numerator and denominator are linear expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Oswego City School District
Regents Exam Prep Center: Practicing With Evaluating Expressions
Several exercises are given to practice evaluating expressions. Answers are provided for students to check their work.
Education Place
Houghton Mifflin: Eduplace: Extra Practice Quiz Evaluate Expressions 1
Practice evaluating these algebraic expressions. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you are told the correct answer. See how many...
Purple Math
Purplemath: Simplifying With Parentheses
Explains, with worked examples, how to simplify expressions which involve parentheses and variables, including how to take a negative through the parentheses.
Other
The mathlab.com: Practice Activities
This site contains activities that will help students learn concepts dealing with expressions, equations, and the coordinate plane.
CK-12 Foundation
Ck 12: Algebra: Mental Math for Addition and Subtraction Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable addition and subtraction equations by using mental math
Illustrative Mathematics
Illustrative Mathematics: 6.ee Busy Day
This problem can be solved using simple arithmetical reasoning but is also naturally represented by a simple equation. Thus, it provides a good entry point for students into representing quantities in contexts with variables and...
Texas Instruments
Texas Instruments: Number Crunching! Number Munching!
In this activity, students comprehend the order of operations and apply this understanding to simplify and evaluate expressions. They also learn to represent problems that involve variable quantities with expressions and use the...
Illustrative Mathematics
Illustrative Mathematics: A sse.b.3.a and a sse.a.2: Cubic Identity
This task presents a challenging exercise in both algebraic manipulations and seeing structure in algebraic expressions. Aligns with A-SSE.B.3.a and A-SSE.A.2.
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.
Khan Academy
Khan Academy: Factors & Divisibility
Students practice multiple-choice problems with factors and divisibility.
Illustrative Mathematics
Illustrative Mathematics: A Apr Egyptian Fractions Ii
In this task, students will rewrite fractions as a sum of distinct unit fractions. To solve the problem, students will rewrite a simple rational expression and will need to study the arithmetic of these unit fractions with a variable in...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Interpretacion De Formulas
In Spanish. Interactive resources and activities dealing with algebraic expressions.
Wyzant
Wyzant: Combining Like Terms
Provides a thorough step-by-step approach to combining like terms. Takes the student through important vocabulary used, as well as examples to help explain the topic. Several pages of notes are offered along with relevant links at the end.
Khan Academy
Khan Academy: Modeling With One Step Equations
Practice writing basic equations to model real-world situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Texas Instruments
Texas Instruments: Quadratic Equations With the Cbl 2
Students will generate parabolas using the motion sensor. They will then determine the vertex form of the equation and compare it to the regression equation from the calculator.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Rules of Exponents
Fifty-two problems present a variety of practice completing, evaluating and simplifying expressions and equations that have exponents in them. They are given with each step to the solution cleverly revealed one at a time. You can work...
Khan Academy
Khan Academy: Equations and Inequalities Word Problems
Construct an equation or an inequality that models a given context. Modeling expressions can be quadratic, rational, or exponential. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video,...
Texas Instruments
Texas Instruments: Walking the Line
In this activity, students use linear functions to model and solve problems in situations with slope and a constant rate of change. They learn to represent situations with variables in expressions, equations, and inequalities and use...
Better Lesson
Better Lesson: Are We Alike?
Sixth graders combine like terms and simplify expressions with multiple terms and variables.
Illustrative Mathematics
Illustrative Mathematics: A Sse Increasing or Decreasing? Variation 1
This task asks students to examine an expression that has a denominator represented by the addition of two fractions. Each of those fractions has a denominator that is a variable. They are asked to analyze the structure of the expression...