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
Unit 11 Year 5
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...
Curated OER
Mathematical Modeling
Study various types of mathematical models in this math lesson plan. Learners calculate the slope to determine the risk in a situation described. They respond to a number of questions and analyze their statistical data. Then, they...
Curated OER
Solving Equations
How do you solve a problem when a symbol or letter is used in place of a missing number? Build algebraic reasoning and problem solving skills with this presentation that explains three methods for finding a missing variable. The guess...
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...
Curated OER
Inverses as a Form of Undoing
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...
Curated OER
Solving Linear Equations
In this linear equations worksheet, learners 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...
Curated OER
Number: Whole Numbers and Decimals
Students explore whole numbers and decimals. In this decimal lesson, students discover how to perform multiplication with decimals as they complete a worksheet.
Math Salamanders Ltd.
Division and Multiplication Facts Sheet 1
In this inverse operations activity, students complete 14 fill in the blanks by providing the inverse of the operation given. Multiplication facts are given, and students must produce the two division facts, which are the inverse.
Curated OER
Place Value
For this place value worksheet, 6th graders solve and complete 74 various types of problems. First, they write the given numbers in words and write down the value of the digit that is underlined in each. Then, students write the missing...
Curated OER
Using Inverse Operations
Fourth graders demonstrate inverse operations by playing a card game. In this inverse operations instructional activity, 4th graders work in small groups with a deck of cards. Two players draw cards but do not look at them. The...
Curated OER
Solving Subtraction Equations
In this solving subtraction equations worksheet, 6th graders read examples of using fact families, working backwards or using inverse operations, then solve eight subtraction equations with variables.
Math Salamanders Ltd.
Division and Multiplication Facts Sheet 2
For this inverse operations worksheet, students complete 14 division problems that are the inverse of each given multiplication fact. A graphic organizer provides cues to guide students.
Curated OER
Using Inverse Operations to Solve Equations
Fifth graders discover how to use inverse operations to solve equations. In this inverse operations lesson, 5th graders explore visual examples. Students also practice solving problems that their instructors model.
Curated OER
Solving Single-Variable Equations Part II, Simplifying
Seventh graders explore the concept of solving single-variable equations. In this solving single-variable equations lesson, 7th graders discuss how to simplify both sides of an equation. Students discuss using parenthesis and the...
Curated OER
Writing and Solving Equations
Fifth graders identify specific words in a sentence to solve the correct operation and write equations. In this writing equations lesson, 5th graders follow the teacher through several word problems on an overhead projector and isolate...
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 (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.
Curated OER
Relate Multiplication and Division
In this word problem worksheet, students solve 6 problems in which they identify the relationship between multiplication and division as inverse operations. They draw arrays and write equations.
Curated OER
Algebra: Write and Solve Equations: Homework
In this algebra equations worksheet, 7th graders review how to use inverse operations to solve equations. Students then use inverse operation to solve the seventeen problems.
Curated OER
Missing Addends - Inverse Operations
In this math learning exercise, student find the missing addend in 28 single and double digit addition problems and write the corresponding subtraction problem.
Curated OER
Roots of Real Numbers
In this roots of real numbers worksheet, 11th graders solve and complete 12 different problems. First, they find the square root of a variable. Then, students simplify each root of a given real number.
Curated OER
Addition and Subtraction as Inverse Operations
In this addition and subtraction worksheet, students work with the inverse operations. They fill in the boxes in 8 examples using mental math. They look at the addition problems and fill in the blanks in the subtraction problem and vice...