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Lesson Plan
Willow Tree

Order of Operations

For Students 7th - 10th Standards
It's the classic please excuse my dear aunt sally strategy to remembering the order of operations. Young mathematicians practice to develop an understanding of the order of operations. Examples and practice problems include absolute...
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Unit Plan
National Security Agency

Introducing Integers and Their Operations

For Teachers 6th - 8th Standards
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class to...
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Lesson Plan
Curated OER

Find the Value of Expressions Using the Order of Operations

For Teachers 4th - 6th
Here is another great way to introduce order of operations using "Please Excuse My Dear Aunt Sally." Pre-determined small groups work cooperatively to solve expressions. Afterward, they write a journal entry to explain the steps they...
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Handout
Charleston School District

Solving with Inverse Operations

For Students 8th Standards
What does order of operations have to do with solving equations? A video explains solving two-step equations using a do/undo chart. Learners recognize the operations within an equation and use inverse operations to undo those operations. 
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PPT
Curated OER

Fractions Mean Division

For Teachers 5th - 6th
The title says it all: fractions mean division. Explore number sense and operations as you flip from slide to slide, describing how fractions and division are the same thing. Learners will work through a series of problems where they...
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Worksheet
Curated OER

Study Guide: Order of Operations

For Students 7th - 9th
In this algebra worksheet, students learn how to evaluate algebraic expressions using the order of operations. They then solve 12 problems using what they learned.
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Worksheet
Curated OER

Order of Operations

For Students 6th - 7th
In this math worksheet, students read about the order of operations and view examples. Students then answer 6 order of operation problems.
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Worksheet
Curated OER

Number & Operations

For Students 8th - 9th
In this number and operations worksheet, students solve and complete 3 different sections of one problem that uses the Pythagorean theorem to solve. They use the model illustrated to determine the meaning of the Pythagorean theorem....
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Lesson Plan
Curated OER

Operations on Polynomials

For Teachers 9th - 11th
Students simplify and reduce polynomials. In this algebra lesson, students find the sum, difference, product and quotient of polynomials and monomials. They use the order of operation correctly.
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Lesson Plan
Illustrative Mathematics

Writing Expressions

For Teachers 6th - 8th Standards
Practice writing algebraic expressions from written phrases. The objective is to consider two seemingly similar phrases, write them as algebraic expressions, and then simplify using the order of operations. Learners are challenged to...
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Worksheet
Curated OER

Problem Solving Decision: Multistep Problems

For Students 4th - 6th
Capture your learners' attention by asking them to find the difference in size between the 12-inch silky anteater and the 6-foot giant anteater! This order of operations worksheet has students first identify the meaning of finding the...
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PPT
Curated OER

Four Operations Sorting Game

For Teachers 1st - 2nd
You've just reviewed what each basic mathematical symbol means, now you want to reinforce the concept. This presentation can be printed, cut up, and used as a sorting game. Learners will either match the symbol to the operation, like...
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Handout
Charleston School District

Operations with Exponents

For Students 8th Standards
It just multiplies out. The lesson provides the rules for operations with exponents and keeps them as positive integers in the lesson. Videos explain the rules for the operations with exponents while working out examples. 
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Handout
University of Texas

What Are Calories?

For Students 6th - 10th Standards
What are calories, and how do calorie needs differ from person to person? Here is a worksheet that briefly explains how calories measure the energy supplied by food, as well as suggests the amount of food an individual should eat per day.
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Lesson Plan
Curated OER

Order of Operations

For Teachers 7th
Seventh graders explore the order of operations. They compare how the values of equations change when the order of operations is not followed. They discuss the order of operations. Independently, 7th graders solve equations. Students...
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Lesson Plan
Curated OER

Using Inverse Operations

For Teachers 4th
Fourth graders demonstrate inverse operations by playing a card game.  In this inverse operations lesson, 4th graders work in small groups with a deck of cards.  Two players draw cards but do not look at them.  The recording student...
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Lesson Plan
Curated OER

Mode, Median, and Mean

For Teachers 4th - 6th
Students define mode, median and mean, and perform mathematical operations to determine these 3 terms. In this statistics/math lesson plan, students practice memory strategies to help distinguish between mode, median, and mean. Students...
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Lesson Plan
Curated OER

Solving Systems of Equations

For Teachers 8th - 9th
Students, using algebraic operations, solve and check linear equations. At the beginning of class, they write a paragraph comparing the solving of math problems to solving real life problems. Students observe solving systems of two...
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Lesson Plan
Curated OER

Equations Lesson 1

For Teachers 6th - 8th
Middle schoolers engage in a study of equations and how they are solved using algebraic methods. This overrides the fact of guessing as done in earlier grades. They cover the concept of inverse operations as the main way to manipulate...
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Worksheet
Open Text Book Store

Arithmetic for College Students: Worksheets

For Students 5th - 7th Standards
Loaded with concepts ranging from multiplying decimals to converting units to solving problems using the order of operations, a thorough practice packet is perfect for a fifth or sixth grade math classroom.
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Worksheet
Curated OER

Order of Operations

For Students 9th
In this Algebra I worksheet, 9th graders use the order of operations to evaluate numerical expressions containing parenthesis and brackets.  The one page interactive worksheet contains instruction, worked examples and ten practice...
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Worksheet
Curated OER

Word Meanings From Context

For Students 2nd - 4th
For this word meanings worksheet, students practice using context clues to find the correct multiple choice meanings or synonyms for the following five words: instigate, strive, clandestine, chronic and conspicuous.
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Lesson Plan
Curated OER

Basic Algebra - Lesson 4 Order of Operations

For Teachers 9th
Ninth graders study the correct way to solve equations using the order of operations. They apply a mnemonic device to remember the proper order.
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Lesson Plan
Curated OER

Order of Operation

For Teachers 9th - 11th
Students solve problems using the order of operation. In this algebra lesson, students factor, subtract, add and divide using the correct order to remove parentheses. They simplify expressions by combining like terms.