This short video and interactive assessment activity is designed to teach third graders about one step addition and subtraction - word problems.

This short video and interactive assessment activity is designed to teach fifth graders about addition in kilograms.

This short video and interactive assessment activity is designed to teach fourth graders about addition of capacities - word problems.

This short video and interactive assessment activity is designed to teach fifth graders about addition of compound unit capacities - word problems.

This short video and interactive assessment activity is designed to teach third graders about addition of sequential capacities - word problems.

This course features a video review of addition up to the sum of ten for first graders.

This short video and interactive assessment activity is designed to teach second graders an overview of addition (sums to 10).

This short video and interactive assessment activity is designed to teach second graders an overview of addition.

The documents included in this lesson come from The North Carolina Experience collection of Documenting the American South and specifically focus on African Americans and race relations in the early 20th century. The lesson juxtaposes accounts that relate to both the positive improvements of black society and arguments against advancement. Combined, these primary sources and the accompanying lesson plan could be used as a Document Based Question (DBQ) in an advanced US history or African American history course.

This lesson looks at the natural resources that drew businesses to Alabama. Students will explore the adapted 1820 letter from Mason and Dexter in Cahaba, Alabama to Richards and Simmons in Cumberland, Rhode Island. Students will explain ideas within this historical text based on specific information presented in this primary source. This lesson can be used as a stand alone or can follow A Natural Attraction: The Natural Resources of Alabama During the Early Nineteenth Century . This lesson was created in partnership with the Alabama Department of Archives and History.

In this lesson, students will work in small groups to examine a letter describing the environment of Alabama and identify reasons which might have encouraged settlers to move to Alabama in the early nineteenth century. Students will choose an interesting attraction of Alabama mentioned in the letter and design a postage stamp around that attraction. This lesson was created in partnership with the Alabama Department of Archives and History.

In this lesson, students will learn about the executive branch of government at the state level, especially related to the first governors of the state of Alabama. Their impact on the development of Alabama and Alabama's role in the United States will be discussed. Students will use research and note taking skills to gather information on an early governor. Then students will participate in jigsaw groups to share their information, discuss the importance of each governor, similarities, and impact. Finally, students will discuss the role of governor and how governors have an impact on the state and the impact these men had in Alabama and in other states. This lesson was created in partnership with the Alabama Department of Archives and History.

Students will read a description of the pine barrens by Basil Hall and analyze the text by using the 3-2-1 strategy. Students will discuss the life and work of Basil Hall, including his travels and journaling in North America. They will observe how a camera lucida functions and debate whether using a camera lucida is "cheating" in art. Next, students will venture outside to create a sketch of their environment while appropriately utilizing materials. They will compare and contrast their products to the sketches of Basil Hall and critique each other's work. This lesson was created in partnership with the Alabama Department of Archives and History.

A work in progress, CK-12's Algebra I Second Edition is a clear presentation of algebra for the high school student. Topics include: Equations and Functions, Real Numbers, Equations of Lines, Solving Systems of Equations and Quadratic Equations.

CK-12's Texas Instruments Algebra I Student Edition Flexbook allows students to better utilize a graphing calculator in understanding the fundamental concepts of algebra.

CK-12's Texas Instruments Algebra I Teacher's Edition Flexbook allows an Instructor to teach students to better utilize a graphing calculator in understanding the fundamental concepts of algebra.

CK-12 Foundation's Algebra I Teacher's Edition FlexBook complements CK-12's Algebra I Student Edition. The solution and assessment guides are available upon request.

CK-12 Foundation's Basic Algebra FlexBook is an introduction to the algebraic topics of functions, equations, and graphs for middle-school and high-school students.

CK-12 Algebra Explorations is a hands-on series of activities that guides students from Pre-K to Grade 7 through algebraic concepts.

CK-12 Algebra Explorations is a hands-on series of activities that guides students from Pre-K to Grade 7 through algebraic concepts.