CK-12 Foundation
Ck 12: Elem Math: Place Operators to Make True Statements With Parenthesis
[Free Registration/Login may be required to access all resource tools.] This learning module provides four videos and a set of practice questions in which students use the four basic operations to fill in the missing answer in equations...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Linear Equations
Here is a site that clearly and thoroughly explains solving linear equations, from the basic form ax+b=c up through equations with variables on both sides and with parentheses. There are example problems solved, problems for the student...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Adding Like Terms
Here is a site that clearly and thoroughly explains adding like terms, including terms with signs and terms within parentheses. There are example problems solved, problems for the student to attempt, and answers to the student problems....
Illustrative Mathematics
Illustrative Mathematics: Using Operations and Parentheses
The purpose of this task is to give learners a chance to work creatively with three of the four fundamental arithmetic operations (addition, subtraction, and multiplication). It is well suited for helping students develop fluency with...
Math Is Fun
Math Is Fun: Mathopolis: Expanding Quiz
Practice simplifying polynomials in this self-checking assessment.
Khan Academy
Khan Academy: Writing Expressions With Variables
In this exercise, students practice writing expressions with variables and parentheses. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Other
Dans Math: Lessons: Order of Operations
This is a brief explanation of the order of operations that includes some simple examples. It also has directions for dealing with parentheses and exponents.
Illustrative Mathematics
Illustrative Mathematics: Words to Expressions 1
This problem allows students to see words that can describe the expression from part (c) of "5.OA Watch out for Parentheses." Additionally, the words (add, sum) and (product, multiply) are all strategically used so that the student can...
Instituto Latinoamericano de la Comunicacion Educativa
Red Escolar: Arithmetica Obligada
In Spanish. In this activity you will learn how to use parentheses in arithmetic operations. Also practice arithmetic playing with three dice.
Purple Math
Purplemath: Solving Linear Equation With Parentheses; "No Solution" Equations
Learn how to solve linear equations with parenthesis and equations with no solutions. Please be aware that this is an ad heavy resource.
Oswego City School District
Regents Exam Prep Center: Order of Operations and Evaluating Expressions
Please excuse my dear Aunt Sally. This sentence takes on greater meaning when students realize it will assist them in remembering the all-important order of mathematical operations. A lesson plan, several interactive practice pages, and...
Wyzant
Wyzant: Order of Operations Worksheet
At this site from WyzAnt, students can practice their use of Please Excuse My Dear Aunt Sally with these ten questions before revealing the step-by-step work and checking their answers. Knowledge of the FOIL Method and the rules of...
BBC
Bbc: Algebra Revision Bite Solving Equations
BBC Schools offers a test review ("revision") of several aspects of solving equations. Content includes solving simple equations, solving equations with brackets, simplifying letters in equations, plus much more. After working through...
Other
Order of Operations Is the Grammar of Mathematics
Sentences and phrases can be formed to help you remember the order of operations.
Khan Academy
Khan Academy: Multi Step Equations Review
To solve an equation find the value of the variable that makes the equation true. For more complicated equations, this process can take several steps.