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Interactive
Curated OER

Subtracting Integers

For Students 4th - 6th
In this integer worksheet, students subtract integers to solve a set of 10 problems. Answers and hints are available on-line; a reference web site for additional resources is given.
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Worksheet
Curated OER

Adding/Subtracting Decimals

For Students 7th - 8th
In this decimal worksheet, students find the sum and difference of positive and negative decimal numbers. Equations contain two to three terms, with multiple operations. Thirty addition and subtraction problems are on this worksheet. ...
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Lesson Plan
Curated OER

Number Line Game

For Teachers 3rd - 8th
Students understand number line concepts and the addition of positive and negative integers. In this number line activity, students create and use a number line to play a game. Students will use different colored dice to represent...
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Lesson Plan
Curated OER

Adding and Subtracting Integers

For Teachers 6th - 8th
Students explore how to add and subtract integers. In this integer lesson students are broken into groups and participate in an activity that helps them investigate how to add and subtract integers. 
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Lesson Plan
Curated OER

Exponents - Week 1

For Teachers 10th - 12th
In this exponent worksheet, students add, subtract, multiply and divide exponents. They solve problems containing negative exponents, fractional exponents, and polynomials. This two-page worksheet contains eight problems.
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Worksheet
Curated OER

Algebra Brackets

For Students 9th - 10th
In this algebra brackets learning exercise, students factor given equations.  They multiply, divide, add, and subtract positive and negative numbers.  This two-page learning exercise contains 13 problems.  Answers are provided.
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Lesson Plan
Curated OER

Addition and Subtraction of Signed Numbers

For Teachers 4th - 6th
Students explore the concept of adding and subtracting using positive and negative numbers. In this addition and subtraction of signed numbers lesson, students use pennies to represent positive and negative numbers. Students deposit and...
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Interactive
Scholastic

Study Jams! Addition & Subtraction Equations

For Students 5th - 7th Standards
Zoe is decorating a cake for her grandpa's birthday and needs to know how many more candles to add. Follow along as she explains how to set up and solve algebraic equations in this step-by-step presentation. Equations with negative...
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Lesson Plan
Curated OER

Extreme Elevations

For Teachers 7th
Seventh graders use highest and lowest points of land elevation around the world to find the differences. Sea level is zero, so students be operating with positive and negative numbers. After students find the information on the...
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Lesson Plan
Curated OER

Integer War

For Teachers 6th - 8th
Sometimes all it takes for a good review is a game of cards. Review the processes needed to add, subtract, divide, and multiply integers. In groups, learners play the card game war with a twist. They can use the numbers as either...
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Lesson Plan
Curated OER

Subtracting Integers

For Teachers 6th
In this mathematics worksheet, 6th graders subtract a number, add its opposite, and explain what opposites are, giving an example of two numbers that are opposites. Then they subtract each integer by adding its opposite.
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Lesson Plan
Curated OER

Adding and Subtracting Integers

For Teachers 8th - 10th
Students add and subtract integers. In this algebra lesson plan, students add, subtract, multiply and divide integers. They apply the properties of numbers as they solve equations.
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Lesson Plan
Curated OER

Subtracting Integers with Counters

For Teachers 7th - 9th
Students subtract integers using counters. For this algebra lesson, students solve linear equations using an online tool. They use subtraction to isolate the variable.
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Worksheet
Curated OER

Subtract Integers on a Number Line

For Students 4th - 6th
For this subtracting integers on a number line practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Lesson Plan
Curated OER

Operations of Complex Numbers and Intro to DeMoivre's Theorem

For Teachers 9th - 10th
Students solve problems with complex numbers. In this algebra lesson, students factor complex numbers and simplify equations using DeMoivre's Theorem. They add, subtract, multiply and divide using negative roots.
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Lesson Plan
Curated OER

Writing Number Sentences

For Teachers 6th - 8th
Students practice writing number sentences. After reading real world problems, they describe the same situation by writing a number sentence. Students use algebra tiles, or counters, to demonstrate the use zero pairs in solving...
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Worksheet
Curated OER

Integers - Graphical Representation

For Students 8th
In this integers activity, 8th graders solve 21 various types of problems to include writing statements given as integers, writing a positive or negative integer for each point on a number line, and arranging integers in order from...
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Worksheet
Curated OER

Division of Polynomials

For Students 9th
In this division of polynomials worksheet, 9th graders solve 10 different equations that include monomials. First, they divide each terms of the polynomial by the monomial and subtract the exponents. Then, students write the appropriate...
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PPT
Curated OER

Integers

For Students 5th - 8th Standards
Integers can be challenging, but this presentation makes teaching integers a whole lot easier! Comprehensive information, a song, chant, and pop quizzes provide an in-depth look into what integers are, and how to add, subtract, and graph...
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Lesson Plan
Alabama Learning Exchange

Exponents and Division

For Teachers 9th - 12th Standards
Create a human fraction to learn about division of exponents. Scholars develop the rule for division of exponents by being part of a human fraction to explore and justify the rule. They also consider zero exponents and negative exponents.
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Worksheet
National Security Agency

Integers: Quick, Fun and Easy To Learn

For Students 6th Standards
A good complement to any integers unit contains a three-day lesson plan about positive and negative integers, adding and subtracting integers, and how to find the additive inverse. Additionally, it provides all necessary worksheets and...
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Lesson Plan
Virginia Department of Education

The Modern Model of Atomic Structure

For Teachers 9th - 12th
The difference between atomic mass and atomic number can be confusing for some young chemists. Help your class better understand the concepts by allowing them to sketch an atom on paper and then discuss their experience. Upon completion...
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Worksheet
Curated OER

Arithmetic Operations With Numbers

For Students 9th
In this arithmetic operations instructional activity, 9th graders identify and solve 48 different problems that include applying Arithmetic operations with various types of numbers. First, they simplify each of the expressions using...
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Lesson Plan
Curated OER

Multiplying Decimals and Mixed Numbers

For Teachers 7th - 12th
Students practice multiplying decimals and/or mixed numbers, explore the effects of multiplying decimals and mixed numbers, and practice predicting the effects of multiplying a number by a decimal or mixed number.