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Interactive3:01
Scholastic

Study Jams! Relate Addition & Subtraction

For Students 1st - 4th Standards
Understanding the inverse relationship between addition and subtraction is essential for developing fluency in young mathematicians. Zoe and RJ explain how three numbers can form fact families that make two addition and two subtraction...
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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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PPT
Curated OER

Inverse

For Teachers 2nd - 4th
Your class can learn all about inverse operations. They will review what inverse operations are, see examples, learn how to use inverse operation to check an answer, write addition and subtraction equations in the inverse, and use the...
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Lesson Plan
Curated OER

Inverses as a Form of Undoing

For Teachers 5th - 8th
Middle schoolers use inverse operations to solve two-step equations. They study a story problem about inverse operations, watch a video about the problem, and complete a handout for the inverse problem. Pupils finish with two assessments...
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Interactive
CK-12 Foundation

One-Step Equations and Inverse Operations: Additive Inverse

For Students 6th - 8th Standards
Reinforce properties while solving equations. Learners often ignore properties even as they try to apply them. A well-designed lesson emphasizes the role of additive inverses when solving equations.
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Lesson Plan
Curated OER

Inverse Relationship Between Addition and Subtraction

For Teachers 1st - 2nd
Elementary schoolers review their knowledge of addition and subtraction through studying fact families. They use cubes to help them add or subtract. Students answer the teachers question with addition and subtraction fact answers.
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Lesson Plan
Curated OER

Simplifying Expressions (Addition and Subtraction)

For Teachers 7th
Seventh graders simplify algebraic expressions using addition and subtraction to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Everyone completes various...
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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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Lesson Plan
EngageNY

One-Step Equations—Addition and Subtraction

For Teachers 6th Standards
Just one step is all you need to find success in solving equations. The 27th installment in a series of 36 teaches how to solve one-step equations involving addition and subtraction. Tape diagrams help future mathematicians in this task.
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Printables
Google

Properties of + and x Foldable

For Teachers 3rd - 8th Standards
Clarify for young scholars the basic properties of addition and multiplication with this foldable math resource. Written on the front flaps are the terms commutative, associative, identity, and inverse with algebraic equations on the...
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Interactive
CK-12 Foundation

Mental Math for Addition and Subtraction Equations: Marble Bag Collector

For Students 6th - 7th Standards
Don't lose your marbles as your learn about addition and subtraction equations. Pupils investigate the relationship between addition and subtraction by using an interactive. They drag different color marbles into a box and identify the...
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Worksheet
Curated OER

The Algebra and Geometry of Inverse Functions

For Students Higher Ed
In this inverse functions instructional activity, students read a tutorial and complete fourteen fill in the blank style practice problems. Students read a tutorial about the composition of functions. They answer three fill in the blank...
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Worksheet
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1
Curated OER

Inverse Relationships (4)

For Students 2nd - 3rd
In this addition and subtraction fact families worksheet, students fill in the blanks with the inverse relationships. Students solve 60 problems.
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Worksheet
1
1
Curated OER

Inverse Relationships (10)

For Students 2nd - 3rd
In this addition and subtraction fact families worksheet, students identify the missing numbers in the inverse relationships. Students solve 60 problems.
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Worksheet
1
1
Curated OER

Inverse Relationships (6)

For Students 2nd - 3rd
For this addition and subtraction fact families worksheet, students fill in the blanks for each missing factor to complete the inverse relationships. Students solve 60 problems.
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Worksheet
Curated OER

Matrix Equations Not Requiring Inverses

For Students 9th - 11th
In this matrix equations instructional activity, students solve matrix equations involving addition, subtraction, and multiplication.  This four-page instructional activity contains 20 problems.  Answers are provided on the last two pages.
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Lesson Plan
Curated OER

Integer Addition

For Teachers 7th
Seventh graders explore the concept of integer addition. In this integer addition lesson, 7th graders tell stories involving addition and subtraction. Students walk on a number line given directions such as add 3 or add -2. Students play...
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Worksheet
Curated OER

Solving Linear Equations

For Students 8th - 9th
In this linear equations worksheet, students solve and complete 20 different problems that include using the order of operations. First, they distribute to remove the parentheses and combine like terms. Then, students move variables and...
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Lesson Plan
Curated OER

Multiplication: Bugs Can Multiply, So Can I!

For Teachers 2nd - 4th
Develop multiplication skills with your class. Youngsters will visualize multiplication as repeated addition. Then they will create a multiplication bug book and discover arrays as a strategy for multiplication problem solving....
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Lesson Plan
1
1
Curated OER

Operating on Matrices

For Teachers 9th - 12th Standards
Learners investigate matrices by exploring addition, subtraction and multiplication of matrices.  Students find the determinant and inverse of a matrix.  The lesson includes a set of practice problems
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Worksheet
Curated OER

Recognize Area as Additive - Guided Lesson

For Students 4th - 6th
Not all area word problems are straightforward. Here are some trickier ones to challenge your beginning geometers. They determine the area of two irregular shapes and one rectangle using given measurements. Remind scholars to use square...
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Worksheet
Math Worksheets Land

Recognize Area as Additive - Independent Practice Worksheet

For Students 3rd - 5th Standards
Activate your geometer's minds with area calculations, some of which are tricky. First, they solve five word problems dealing only with rectangular shapes. The next five use irregular shapes with side measurements given. Scholars solve...
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PPT
Curated OER

Unit 11 Year 5

For Teachers 4th - 5th
Apparently unit 11 covers a range of topics related to problem solving, addition, and subtraction. This complete unit presentation is intended for use over a series of days or weeks. It contains numerous visual aids to accompany lessons...
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Lesson Plan
BBC

Simple Addition and Subtraction

For Teachers K - 1st
Here is a wonderful lesson plan designed for young mathematicians. In it, they employ simple addition and subtraction strategies in order to solve word problems. There are some excellent activity sheets embedded in the plan to make the...