Scholastic
Study Jams! Relate Addition & Subtraction
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...
Curated OER
Inverse
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...
Scholastic
Study Jams! Addition & Subtraction Equations
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...
Curated OER
Operating on Matrices
Learners investigate matrices by exploring addition, subtraction and multiplication of matrices. High schoolers find the determinant and inverse of a matrix. The lesson includes a set of practice problems
CK-12 Foundation
Mental Math for Addition and Subtraction Equations: Marble Bag Collector
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...
Curated OER
Matrix Equations Not Requiring Inverses
In this matrix equations activity, students solve matrix equations involving addition, subtraction, and multiplication. This four-page activity contains 20 problems. Answers are provided on the last two pages.
Curated OER
Inverse Relationships Addition/Subtraction (A)
In this inverse relationships worksheet, students problem solve and calculate the answers to sixteen mathematical equations involving addition and subtraction.
Curated OER
Simplifying Expressions (Addition and Subtraction)
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...
Curated OER
Inverse Relationship Between Addition and Subtraction
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.
Curated OER
Integer Addition
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...
Curated OER
Inverse Relationships Add/Sub (D)
In this inverse relationships worksheet, 3rd graders use the addition and subtraction sentences to find the missing number that solve the addition and subtraction inverse relationships.
Charleston School District
Solving with Inverse Operations
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.
EngageNY
One-Step Equations—Addition and Subtraction
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.
Curated OER
Inverse Relationships
For this math operation worksheet, 2nd graders fill in 60 boxes in this addition and subtraction inverse operation worksheet. They find combinations that are based on the number 18.
Curated OER
Revise Understanding Subtraction
For this subtraction worksheet, students find the difference and check by adding. In this problem solving worksheet, students solve and check seven problems.
Curated OER
Inverse Relationships (4)
In this addition and subtraction fact families worksheet, students fill in the blanks with the inverse relationships. Students solve 60 problems.
Curated OER
Inverse Relationships (10)
In this addition and subtraction fact families worksheet, students identify the missing numbers in the inverse relationships. Students solve 60 problems.
Curated OER
Inverse Relationships (6)
In 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.
Curated OER
Inverse Relationships (C)
In this addition and subtraction inverse operations worksheet, students fill in the blanks in 30 addition and subtraction sentences with the appropriate numbers based on inverse relationships
Curated OER
Inverse Relationships Add/Sub (E)
In this addition and subtraction inverse operations worksheet, students fill in the blanks in 16 addition and subtraction sentences with the appropriate numbers based on inverse relationships.
Curated OER
Inverse Relationships Add/Sub (D)
In this inverse relationships worksheet, students use the given numbers to solve the addition and subtraction sentences to solve the 16 inverse relationship problems.
Curated OER
Inverse Relationships (D)
In this inverse relationships learning exercise, students use the given numbers in each addition or subtraction sentence to solve the 30 problems.
Curated OER
Inverse Relationships (11)
In this inverse relationships worksheet, students problem solve and calculate the answers to thirty inverse equations involving addition and subtraction.
Curated OER
Inverse Relationships (16)
In this math operations activity, students use the given information to fill in each box to complete the inverse operation equations. They fill in 60 boxes as they complete the pairs of equations.