Statistically speaking, the content covers several grades. Featuring all of the statistics typically covered in a college-level Statistics course, the expansive content spans from sixth grade on up to high school. Material...

Move on into trigonometry. An informative eBook takes the content of a College Algebra course and adds more relating to trigonometry and trigonometric functions. The content organization allows pupils to build upon their learning by...

Let's eat kids. Let's eat, kids. Commas make a difference! Conventions 101: A Functional Approach to Teaching (and Assessing!) Grammar and Punctuation explains ways to teach the importance and use of conventions. Learners take part in...

See calculus to the end. The eBook is the last of a three-volume series covering college-level calculus topics. Scholars begin with parametric equations and polar coordinates before moving to vectors, finally ending with multi-variable...

Explore human blood types.

Provides an explanation, examples, and a video lesson all related to the four common types of transformation. [1:00]

Learn about the different types of echinoderms in the ocean.

This interactive tutorial gives an in-depth introduction to a variety of forces; both contact, and non-contact.

Understand the characteristics, diversity, and classification of mollusks.

Explore the diversity of the domain Archaea.

This lesson focuses on polygons; a polygon is a closed, flat shape that has only straight sides. Polygons can have any number of sides and angles, but the sides cannot be curved.

This lesson focuses on polyhedra other than the platonic solids; these include an Archimedean solid, a polyhedron made up of different kinds of regular polygons, that looks the same from every direction. There are 13 different...

Click through the pages of this beautifully illustrated story book to read about a young sorcerer's apprentice who thinks she can cast spells like the sorcerer in order to get her work done more quickly, but she learns a lesson and the...

This lesson applies the principals of hypothesis testing to situations involving two samples. It identifies situations with different types of samples, and explores how to test hypotheses about the difference of proportions or means...

In this illustrated physics tutorial, students investigate several of the types of problems that you will have to solve, and learn the task of tracing the refracted ray if given the incident ray and the indices of refraction.

This section introduces the idea of the tails of a distribution, and provides exercises to help you become proficient in determining the type of test associated with various situations.

This section addresses how to solve different types of logarithmic equations. It explores how to condense expanded equations and how to convert logarithmic equations into exponential ones.

Learning to express real-life situations as mathematical functions (models) allows seemingly complex ideas and actions to be broken down into smaller, simpler parts and analyzed. In this section are three types of of those models:...

This section expands on the process of factoring to certain types of polynomials. In particular, it investigates how to find the sum and difference of cubed numbers and terms, and it will use volume of cubes to model this process.

Learn about different types of events: experiments, events, sample spaces, and outcomes.

Learn about the many types of symbiotic relationships in an ecosystem.

Learn about the different types of muscles in the human body.

Understand the structure and function of different types of joints in the human body.

Explore many different types of animal behavior.