Curated OER
Order of operations
In this order of operations worksheet, learners complete math problem involving all four operations and including parenthesis. Students complete 20 problems.
Math Medics
S.o.s. Math: Order of Operations
This lesson contains four rules on order of operations and several examples of each. It also allows you to work out practice problems.
Grammarly
Grammarly Blog: Comma Before Parenthesis
This page explains the proper use of commas with parenthesis: no comma before a parenthesis, no comma after a parenthesis unless it is needed for another reason such as a long introductory clause in a complex sentence, and no commas if...
Grammarly
Grammarly Blog: Dashes
This page focuses on the rules for the use of dashes. Explains what a dash is, what it does, and the three formats of dashes (em, en, and the double hyphen). Examples are provided with the "dash" used in different contexts.
Sophia Learning
Sophia: Parentheses
This lesson introduces parentheses and how they are used. This tutorial lesson shares a short slideshow with the lesson's content.
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.
Common Core Sheets
Common Core Sheets: Operations and Algebraic Thinking 5.oa.1 Worksheets
Teachers can assess students' knowledge of writing and interpreting numerical expressions with these printable worksheets. You can even create your own activity or flashcards.
Khan Academy
Khan Academy: Introduction to the Parenthesis
Parentheses are used to set off extra information from a sentence, show an interruption, or indicate a reference. Practice identifying their uses in this exercise!
Help Algebra
Help algebra.com: Getting Rid of Parentheses
Resource explains how to simplify several types of expressions that contain expressions using the properties of addition and multiplication and applying the properties with the order of operations.
Wyzant
Wyzant: Exponents of Variables
The jump from exponents on number bases to exponents on variable bases is made here at WyzAnt by first reviewing the former. Then, examples are provided of the latter. A nice "conversational" approach to presenting the material is taken...
Wyzant
Wyzant: Exponents of Polynomials Worksheet
Twenty practice problems are presented where polynomials (mostly binomials) in parenthesis are raised to number exponents. Each of the questions has a step-by-step solution for the student to see after completing the work on their own....
Sophia Learning
Sophia: Parentheses
This lesson introduces parentheses and how they are used. This tutorial lesson shares a short slideshow and provides review questions over the lesson's content.
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.