In this video lesson, students will learn how to determine if two right triangles are similar by examining their corresponding parts on a coordinate plane. The lesson explains the concept of similarity transformations and how they...

Robert Lin, the late director of the Space Sciences Laboratory, discusses how NASA's MAVEN spacecraft will study the interaction of the Martian atmosphere with the solar wind. MAVEN's findings will reveal how Mars lost its early...

In a system that largely pays doctors and hospitals according to how much care they give, how can we make the transition to paying for quality and value?

This video discusses the problem of water scarcity and provides various measures that can be taken to address it, such as wise and judicious use of water, recycling and reusing water, and introducing efficient irrigation practices. The...

Just the Facts: The Emergence of Modern America: The Depression uses fascinating historical footage to explore six decades that shaped modern America. The series examines the Gilded Age in the late 19th century, the Progressive Era of...

Season 1, Episode 6 Today we learn how to count to 4. The basics of how to count rhythm in Common Time...part 1.

The Dunning-Kruger effect is a cognitive bias whereby the less someone knows about something, the more they overestimate their abilities in it! What is this ignorance of ignorance? And what can we do about it?

In this video, the teacher explains the concept of similarity in triangles by comparing congruent angles. They differentiate between congruent and similar figures, highlighting that similar figures have the same shape but not the same size.

In this video, students will learn how to summarize the spread of data using the range and mean absolute deviation. They will understand the difference between the mean and mean absolute deviation, and how these measures provide insight...

You've all experienced it: There's a problem with your health care bill, or you have difficulty getting coverage for the care you need. Your doctor or hospital tells you to talk to your insurer. Your insurer tells you to talk to your...

Before music notation software allowed us to create high resolution sheet music, the only way to get a good print of sheet music was with music engraving.

Not only are our cities and almost every product we use derived from the ground, so is almost all our energy. Yet minerals and petroleum products are only the start. Every culture has wondered

about the origin and nature of the...

FT personal finance editor Claer Barrett looks at the key takeaways from chancellor Rishi Sunak's Budget, from coronavirus to property, pensions to booze.

In This Episode, Tyler Teaches Us About MEASURES OF CENTRAL TENDENCY - Algebra 2.7

In this video, the teacher explains how to use vertical and adjacent angles to find unknown angle measures. They provide examples and walk through the steps of solving for the unknown angles using the given information. This lesson helps...

In this video, the teacher explains how to calculate and interpret the mean, median, and mode using data from a line plot. The video provides mnemonic devices to remember the definitions of these central measures of tendency and uses an...

In this video, we explore how to classify and draw different types of angles. We start by understanding the properties of angles and how they relate to geometric figures. We review right angles, acute angles, and obtuse angles, comparing...

In this lesson, students will learn about rates and their connection to ratios. The video explains that rates are a type of ratio that compare two or more quantities of different measures, such as miles per hour or price per pound. It...

Just the Facts: The Emergence of Modern America: The Depression uses fascinating historical footage to explore six decades that shaped modern America. The series examines the Gilded Age in the late 19th century, the Progressive Era of...

Reading and Classifying Time Signatures

In this lesson, students will learn how to find the volume of geometric solids by using their knowledge of two and three-dimensional shapes, as well as the measures of area and perimeter. They will understand that volume refers to the...

In this video, the teacher explains the concept of unit rates by using examples and pictures. They demonstrate how unit rates compare a measured quantity to one of another measured quantity, and emphasize that unit rates always compare...