Curated Video
Using Geometry to Determine the Cost and Length of Water Slides
In this video, the teacher explains how to use geometry knowledge as a water slide engineer. They demonstrate how to model a word problem by applying trigonometric ratios or the Pythagorean theorem. The lesson includes finding the cost...
Curated Video
Finding Radian Measures of Special Angles
In this lesson, students will learn how to find the exact Radian measure of angles without using a calculator. They will recognize special angles as fractions or multiples of π and understand that π radians is only half of a circle. By...
Curated Video
Understanding Quadratic Expressions and Equations
In this video, the teacher explains the difference between quadratic expressions and quadratic equations. They use examples, such as a roller coaster path and building a patio with a brick border, to illustrate the concepts. The teacher...
Math Fortress
Geometry: Measurement of Segments (Level 4 of 4)
In this last video on measurement of segments we will go over 2 challenging examples involving congruent segments and plenty of algebra to solve.
Curated Video
Finding Dimensions of Figures Formed by Removing Squares
In this video, students learn how to find the dimensions of a figure formed when removing a smaller square from a larger square. The teacher explains the concept of polynomial identities and demonstrates how to use them to find the...
Curated Video
Finding the Length of a Diagonal Without Using a Ruler
In this video, the teacher explains how to find the length of a diagonal without using a ruler. They demonstrate the concept by creating squares and counting the units inside and outside the square. The teacher also introduces the...
Curated Video
Rewriting Rational Expressions to Find Missing Dimensions
In this video, the teacher explains how to find missing dimensions in area or volume problems by rewriting rational expressions. The lesson covers factoring and long division techniques to simplify expressions and determine the width,...
Brian McLogan
Determining the scale factor of the enlargement of a triangle
👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...
Brian McLogan
Solve with changing area using related rates
👉 Learn how to take the derivative of a function. Learn how to find the derivative of a function using the chain rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the...
Brian McLogan
How to find the area of a figure by using multiple figures (mistake)
👉 Learn how to find the area and perimeter of composite shapes. A composite shape is a shape that is composed of different shapes. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...
Curated Video
Understanding Circle Measurements: Finding Radius and Diameter
In this video, the teacher explains how to determine the length of the radius of a circle from its diameter. The concept of a circle is explored, emphasizing that the radius is half the length of the diameter. Examples are given to...
Curated Video
Understanding Geometric Representations: Points, Lines, and Planes
In this video, students learn about the distinctness between the definition and representation of geometric terms such as points, lines, and planes. The video explains how specific notation and drawings are used to represent these...
Visual Learning Systems
Understanding Radius and Diameter
This video provides a visual explanation of the basic concepts related to circles, specifically focusing on the terms radius and diameter. This video is part of the 8-part series, Circles.
Curated Video
Simplifying Expressions: Distribution and Combining Like Terms
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...
Visual Learning Systems
Measuring Volume: Tools and Techniques
This video explains different methods of measuring the volume of liquids and objects. It demonstrates the use of tools such as beakers, graduated cylinders, and water displacement to accurately measure volumes. The video also highlights...
Curated Video
Giganotosaurus vs. T Rex: Who Was The Deadliest Predator?
Tyrannosaurus Rex is, without a doubt, one of the coolest out of all the dinosaurs. With its enormous size, speed, and killer power, it’s hard to deny that it was ferocious, fierce, and beautiful. Well, at least as long as beauty is...
Curated Video
Identifying Congruent Figures
In this video, students will learn how to identify congruent figures by comparing their segments and angles. They will understand that congruent means having the same length, measure, or size. The video explains the symbol used to...
Zach Star
Dear all calculus students, This is why you're learning about optimization
Dear all calculus students, This is why you're learning about optimization
Curated Video
Finding the Angle of Elevation
In this video, the teacher explains how to find the angle of elevation or depression in a right triangle. Using the concepts of inverse trigonometric functions and the side lengths of the triangle, the teacher demonstrates how to set up...
Curated Video
Applying Exponents to Area and Volume Models
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.
Curated Video
Relating Changes in Cube Edges to Volume Using Polynomial Equations
In this video, we learn how to relate changes in the edges of a cube to changes in its volume using polynomial equations. We explore the concept of polynomial identities and how they can be used to simplify expressions and find the new...
Curated Video
Exploring Volumes: Cube and Sphere Equivalency
In this video, the teacher explains the relationship between the volume of a cube and the volume of a sphere. They demonstrate how to calculate the volume of a sphere using the formula pi r cubed, and then show how to find the radius of...
Visual Learning Systems
Volume and Density: Calculating Volume
This series of videos explores the concepts of volume, mass, and density. The means by which volume and density are calculated is highlighted. Everyday examples of each make the concepts easy to understand.
Curated Video
Particle accelerators: What are they, how do they work and why are they important to us?
A particle accelerator is a machine that accelerates particles. More specifically, it accelerates elementary particles, like protons and electrons, at extremely high speeds—almost 99.99% of the speed of light. These particles are then...