Curated OER
Adding and Subtracting Bears and Goats
First graders evaluate math problems using farm animals. In this consumer math lesson, 1st graders discover math problems which concern quantities of farm animals. Students discover new strategies to help them analyze their...
Curated OER
Grade 2: Texas Problem Solving
Second graders use numerical data about Texas to write and solve real-life problems involving addition and subtraction (or multiplication and division). They work in pairs to choose three numerical facts about Texas to use to make up...
Curated OER
Cars in Garages
First graders investigate whole numbers, and how numbers are often made up of smaller numbers. They determine the underlying concepts of addition and subtraction by examining how there is a finite set of number pairs for a given number....
Curated OER
Math Hook Up
Students practice moving different ways with different locomotor skills. They practice addition and subtraction problems.
National Security Agency
Money Maters: Integers are Integral!
A thoroughly-written lesson plan and a plethora of worksheets about integers comprise this resource. Neophyte number crunchers learn to recognize integers, add and subtract them, and apply the concepts to the designing of a personal...
Virginia Department of Education
Rational Expressions
Demonstrate the progression of operations with rational expressions through a multi-day lesson, equipped with worksheets for each day. High schoolers develop the concepts needed to perform operations with rational expressions....
Curated OER
Exploring Graphs of Inequalities
Learn how to solve inequalities and graph their answers. Students use addition, subtraction, multiplication and division to solve problems. They analyze their graph using the TI calculator.
Curated OER
A Human Number Line
Sixth graders create a human number line through use of symbols, equality, inequality, addition, subtraction, solving equations and inequalities
Curated OER
Math: Creating Problems on Computers
Third graders, in pairs, create math story problems on computers. Skills include multiplication or addition and subtraction in two-step problems. After devising their problems, 3rd graders type them and use pictures to illustrate them....
Curated OER
Number Tick Tack Toe:
Young scholars practice basic addition and subtration facts to twelve and use thinking skills to win at tick tack toe.
Curated OER
Inverse Relationships (3)
In this missing numbers learning exercise, students analyze 30 pairs of equations with missing numbers. Students fill in the missing numbers in the addition or subtraction fact. No number on the page is greater than 3.
Florida Center for Instructional Technology
A Human Number Line: Teacher Notes
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Curated OER
Get a Line on Integers
Students explore number sense by completing math function problems in class. In this integers lesson, students define integers and practice plotting them on a number line. Students utilize math functions such as addition and...
College Preparatory Mathematics
Using Elimination To Find the Point of Intersection of Two Lines
Two example problems are solved on the first page using the elimination method with a pair of linear equations. Detailed explanations accompany the math. The second page provides 20 practice problems and their answers. This would be a...
Curated OER
Rap Your Way Through Integers
Your resource or special education class will have fun with this interesting approach to learning about integers. They use rap, movement, and an interactive online game to reinforce the rules of integers. A well-rounded lesson that...
Charleston School District
Solving Equations with the Distributive Property
Now there are parentheses in these equations? As the lessons continue in this series, equations get progressively more complex. Eighth graders solve equations by applying the distributive property before using inverse operations.
Curated OER
Functions
Fifth graders explore mathematics functions. In this functions lesson, 5th graders explore 1 and 2-step functions involving addition, subtraction, multiplication, and division. Students also practice solving problems that their...
Curated OER
Calculators
Students investigate the four basic operations of mathematics that are addition, subtraction, multiplication, and division. The use of a technology game is part of the lesson. They demonstrate the proper use of a calculator as part of...
Curated OER
Fraction City
Learners calculate equivalent fractions, solve the addition of fractions of like and unlike denominators, and compare fractions using fraction strips. They fold paper strips into equal parts, thirds, sixths, ninths, and twelfths, and...
Curated OER
The Journey of a Banana
To investigate the price of bananas in order to evaluate basic counting and number sense skills, your mathematicians focus upon multiplication and problem solving that incorporates social studies in the form of building awareness about...
Curated OER
Addition Relay
Third graders, in pairs, use a bag of counters which can be dried beans, squares of papers, etc.
Beacon Learning Center
Cherries Are Positive, Lemons Are Negative
Lemon heads and cherry drops combine for a sweet lesson on positive and negative integers. Following an activity sheet, they use lemon as negative and cherry as positive and follow directions with a partner. An assessment, a rubric, and...
Curated OER
Vocabulary through Text
Explore word meanings. Sixth graders identify examples of words with affixes while listening to the story Paul Bunyan by Steven Kellogg. They participate in the game "Pass the Parts" and practice separating given words into their root...