In this video, the teacher explains how to simplify expressions by using distribution and combining like terms. They provide examples and review the concept of finding the perimeter of a rectangle. The lesson emphasizes avoiding common...

IBy graphing equations and identifying the intersection point, you can determine the approximate solution. This method allows you to visualize the solutions and make estimations even when the intersection point is not on integers.

This art lesson is part four of a series on how to create Taxidermy Trophy Heads using Paper Mache. In this video I will teach how to add color to a paper mache project using only construction paper!



The lesson was...

In this video I cover all the concepts for an introductory microeconomics course and AP course. I go super fast so don't take notes. Focus on the big picture ideas, identfy what you still need to practoce, and go back and watch my Unit...

The National Institute of Standards and Technology (NIST) is helping the Defense Department evaluate the in-the-field performance of two-way, real-time voice translation systems for use in Afghanistan.

This video demonstrates this concept using examples of squares, cubes, and other multi-dimensional figures. The video highlights the relationship between multiplying bases and adding exponents to determine the total dimensions of a shape.

The teacher explains how to use research questions to guide research across multiple texts. The teacher emphasizes the importance of not just looking for answers to the burning questions, but also noticing other important and interesting...

In this video, the teacher explains how to solve story problems with unlike fractions using number lines. The teacher demonstrates the steps to solve a specific problem about organizing post-it notes by color.

In this lesson, students will learn how to find imaginary roots of quadratic equations using the square root property. They will review the vocabulary related to quadratic equations and the imaginary unit. Through examples and...

Mr. Clifford's 60 second explanation of positive externalities (aka: spillover benefits). Notice that there are two different demand curves. One is the marginal private benefit which ignores the spillover benefits of flu shots and the...

In this video, we learn how to solve a system of equations using linear combination, also known as elimination. The teacher explains the process step by step and provides examples to demonstrate the concept. By adding the two equations...

In this video lesson, students will learn how to read graphs by estimating between grid lines. The teacher emphasizes the importance of units and scale when interpreting graphs and provides a method for making accurate estimates. Through...

In this video, the teacher explains the process of writing a thesis statement for a research paper. The teacher emphasizes the importance of including a thesis statement to provide focus and clarity to the paper. The three steps to...

By the time students learn about all the equations for mechanical energy, momentum, impulse and impact force, they often start to confuse the equations with one another. This is a straightforward, simple look at all of those equations...

In this video, the teacher explains how to graph points on a coordinate plane in different quadrants. They review the x and y axes, the origin, and the concept of ordered pairs. The teacher demonstrates how to plot points in each...

In this video, the teacher explains how to find the explicit equation for an exponential relationship by identifying the constant multiplier and initial value. The process involves analyzing patterns in the data and using the general...

In this video, students learn how to find the midpoint between two numbers using a number line. The video explains the concept of counting by 10s and benchmark numbers to locate the midpoint accurately. It also emphasizes that the...

User experience (UX) design is a theoretical understanding of how users interact with websites. The major challenge developers building a company website face is finding the right balance that fulfills the objectives of the...

Lesson 5 (Free Body Diagrams) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need an AP Physics 1 review before the exam? This course is for you! Exercises in this video:...

This activity is designed to help you master the key graphs of macroeconomics or microeconomics. If you can spot what’s wrong with each graph you will be less likely to make those mistakes. The handout for the activity is free and is...

In this lesson, students will learn how to find the surface area of a complex shape, specifically a swimming pool, by using multiplication. They will review the properties of a rectangle and apply their knowledge to find missing...

In this video, the teacher explains how to draft body paragraphs for an informational text. They emphasize the importance of rewriting bullet point facts into complete sentences using a friendly and explaining voice. The teacher provides...

In this video, students learn how to identify quadrilaterals by finding shapes with four straight sides that meet at four corners. They are taught to use a straight edge or ruler to check for straight sides and ensure that all sides meet...

In this video, the teacher reviews the concept of plant tissues and then conducts an activity where students have to guess the tissues present in the given images. The aim is to revise the concepts in an engaging way and make learning...