Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 1.oa Link Cube Addition

For Teachers 1st
This complete lesson plan has students answer word problems using addition and subtraction within 20.
Lesson Plan
Alabama Learning Exchange

Alex: A Math and Language Arts Lesson: Division

For Teachers 3rd - 5th
The lesson will help students develop an initial understanding of division and clarify how the four operations of addition, subtraction, multiplication, and division relate to and are separate from each other. The lesson begins with a...
Lesson Plan
Better Lesson

Better Lesson: Roll a Problem (Part 2)

For Teachers K Standards
SWBAT identify a addition or subtraction sign and set up, record and solve an equation by rolling a set of dice.
Lesson Plan
Better Lesson

Better Lesson: Attributes of Shapes

For Teachers 1st - 2nd Standards
Students will identify the attributes of shapes and use those attributes to draw and describe shapes. This lesson contains a detailed plan, pictures of student work, and videos of the lesson in action.
Website
AAA Math

Aaa Math: Aaa Math Lessons

For Teachers 3rd - 8th
AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play"...
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Sine Sum and Difference Formulas

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Sine of a sum or difference related to a set of cosine and sine functions. Here you'll learn to rewrite sine functions with addition or subtraction in their...
Lesson Plan
Better Lesson

Better Lesson: Math Centers Review Previous Skills

For Teachers K Standards
Students will be able to independently practice graphing, teen numbers, and addition.
Lesson Plan
Better Lesson

Better Lesson: Crossing Over 100

For Teachers 2nd Standards
Second graders often become confused as they count from one decade to the next. In order to become fluent with operations in addition and subtraction, 2nd graders need to be able to move across decades. This lesson includes a detailed...
Lesson Plan
Better Lesson

Better Lesson: Cheerful Shoppers

For Teachers 2nd Standards
Second graders love to shop! Students will use their own shopping list to compose a word problem using addition and subtraction with and without regrouping, in order to help them better understand how to problem solve.
Activity
University of Regina (Canada)

University of Regina: Math Central: Intelli Gum: A Success Story

For Teachers 6th - 8th
Introduce polynomial operations to your middle school students using the highly engaging story of ?IntelliGum?. This one-of-a-kind gum, when chewed regularly, and in appropriate quantities, will make you smarter. As part of this creative...
Lesson Plan
University of Texas at Austin

University of Texas: Elementary Math Club: Number Paths

For Teachers 2nd - 6th
Learners explore connections between addition, subtraction, and multiplication. In addition, students review place value and learn about the distributive law. The lesson plan includes an overview and a lesson toolkit.
Lesson Plan
Better Lesson

Better Lesson: Walking the Number Line

For Teachers 2nd Standards
The number line is a powerful math tool students can use to model their thinking when solving addition and subtraction problems. Use this instructional activity to help students use the number line to count forwards and backwards from 0...
Lesson Plan
Better Lesson

Better Lesson: Hopping Up & Down the Number Line

For Teachers K Standards
SWBAT identify the subtraction and addition sign and understand their function by hopping a bunny up and down a number line.
Unit Plan
CK-12 Foundation

Ck 12: Algebra Ii: Addition and Subtraction of Polynomials

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to add and subtract polynomials, as well as learn about the different parts of a polynomial. Practice problems are also included.
Lesson Plan
Other

Sumdog Teacher Portal: One More, One Less

For Teachers Pre-K - 1st
This engaging lesson plan introduces students to basic addition and subtraction by adding or subtracting one. Teachers can create a free Sumdog account and usernames for their students to practice the skills through online learning games.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 1.oa Peyton's Books

For Teachers 1st
This lesson plans explores adding and subtracting word problems. This is a complete lesson plan including attached items.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 1.oa Making a Ten

For Teachers 1st
In this lesson plan, 1st graders are to use a table of sums to explore the relationship between adding and subtracting.
Handout
Purple Math

Purplemath: Adding Polynomials

For Students 9th - 10th Standards
Demonstrates how to add polynomials using both the horizontal and vertical formats.
Lesson Plan
Discovery Education

Discovery Education: Everyday Math

For Teachers 1st - 5th Standards
Students will work as a class to solve word problems involving addition, subtraction, multiplication, and simple fractions. To culminate the lesson, students will create their own word problems.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Adding and Subtracting Polynomials

For Students 9th - 10th Standards
A detailed explanation of polynomials and like terms is followed with many examples of how to add and subtract them. Lessons for the teacher as well as interactive examples for the students provide plenty of opportunities for practice....
Lesson Plan
Alabama Learning Exchange

Alex: Get It Straight Mr. Decimal!

For Teachers 4th - 5th Standards
Students will review addition and subtraction of decimals with a hands-on, cooperative small group experience. They will be placed in small groups and solve problems on individual whiteboards. This lesson plan was created as a result of...
Lesson Plan
Alabama Learning Exchange

Alex: Let's Go Shopping!

For Teachers 3rd - 5th
This lesson will give students practice with adding and subtracting money using a calculator. It will provide them an opportunity to determine savings using a store coupon, and determine the change they should recieve when making...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 2.nbt How Many Days Until Summer Vacation?

For Teachers 2nd
This lesson plan has students solving a real world word problem using addition or subtraction.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Fact Families

For Teachers 1st - 2nd Standards
As a whole class, the teacher presents students with 3 numbers on cards, such as 5, 8, and 3. The teacher asks the students to find all the ways the numbers can be put together in addition or subtraction sentences. This lesson includes...