Instructional Video8:04
Brian McLogan

Write the equation of a line tangent to a polynomial through a point

12th - Higher Ed
👉 Learn how to find and write the equation of the tangent line of a curve at a given point. The tangent of a curve at a point is a line that touches the circumference of the curve at that point. To find the equation of the tangent line...
Instructional Video5:02
Curated Video

Using Inverse Relations to Divide Whole Numbers by Fractions

K - 5th
In this video lesson, students learn how to solve whole number by fraction division problems using the inverse relationship of multiplication and division. The teacher explains the concept and provides examples, guiding students through...
Instructional Video4:36
Curated Video

Angles of Elevation and Depression: Finding the Height of a Flagpole

K - 5th
In this video, students will learn how to use trigonometric ratios to find the height of a flagpole. The lesson covers angles of elevation and depression, as well as the different trigonometric ratios. The video provides a step-by-step...
Instructional Video4:20
Curated Video

Solving for X Using the Cotangent Ratio in Right Triangles

K - 5th
In this video, the teacher explains how to solve for X without using the tangent ratio. Instead, they introduce the cotangent ratio and demonstrate how it can be used to find the length of the leg adjacent to an acute angle in a right...
Instructional Video14:46
Flipping Physics

Center of Mass by Integration (Rigid Objects with Shape)

12th - Higher Ed
How to find the center of mass of rigid objects with shape using an integral is shown. The center of mass of a right triangle is derived and demonstrated. Want Lecture Notes and/or Animated
Instructional Video4:45
Curated Video

Finding Lengths in Right Triangles: Introducing the Secant Ratio

K - 5th
In this video, the teacher explains how to find the length of segment DG in a right triangle without using the cosine ratio. Instead, they introduce the secant ratio, which compares the length of the hypotenuse to the length of the leg...
Instructional Video4:09
Curated Video

Dividing Whole Numbers by Unit Fractions Using a Number Line

K - 5th
In this lesson, students learn how to divide whole numbers by unit fractions using a number line. They understand that a unit fraction has a numerator of 1, and whole numbers are counting numbers without numerators or denominators. By...
Instructional Video4:00
Curated Video

Solving Word Problems: Division of Fractions by Whole Numbers Using Picture Models

K - 5th
In this lesson, students will learn how to solve word problems that involve dividing fractions by whole numbers. They will use picture models to help them visualize the problem and determine the correct operation to use. By understanding...
Instructional Video6:59
Curated Video

Population Growth and Exponential Formulas: Predicting the Future

K - 5th
In this lesson, students will learn how to determine population growth using an exponential formula. They will review solving for exponents and learn how to deal with exponents inside logarithms. Through examples and calculations, they...
Instructional Video5:39
Curated Video

Dividing Polynomials Using Inspection

K - 5th
In this video, the teacher explains how to divide two polynomials when they don't seem to factor. Through the process of inspection, the teacher demonstrates how to rewrite the division using equivalent expressions that can be factored....
Instructional Video5:14
Curated Video

Add Mixed Numbers Using Properties of Operations

K - 5th
This video explains how to add mixed numbers with like denominators using area models. Understand the importance of working with models that are divided into equal pieces and similar in size and shape. The lesson demonstrates...
Instructional Video5:53
Math Fortress

GRE Arithmetic: Integers (Part 4 of 4)

12th - Higher Ed
This video is a review of basic arithmetic for the purpose of solving problems on the quantitative reasoning section of the GRE revised General Test. This video covers the basics of integers. Topics covered include: Even and Odd...
Instructional Video11:13
Curated Video

Rearranging Elasticity Formulas and the Elasticity Triangle

12th - Higher Ed
In this video, the instructor teaches how to rearrange elasticity formulas to make any variable the subject of the formula. The video focuses on price elasticity of demand as an initial example and demonstrates how to substitute and...
Instructional Video2:19
Brian McLogan

Learn how to eliminate the parameter

12th - Higher Ed
Learn how to eliminate the parameter in a parametric equation. A parametric equation is a set of equations that express a set of quantities as explicit functions of a number of independent variables, known as parameters. Eliminating the...
Instructional Video2:38
Curated Video

Dividing Whole Numbers by Unit Fractions Using a Number Line

K - 5th
In this video, students learn how to divide whole numbers by unit fractions using a number line. The teacher explains the concept of unit fractions and addresses common misconceptions about dividing by unit fractions. Through examples...
Instructional Video11:35
Curated Video

Calculating Cross Elasticity of Demand: Easy Economics 3-Step Process

12th - Higher Ed
This video provides a tutorial on how to calculate the cross elasticity of demand for a pair of products given relevant data. The three-step process involved in the calculation of elasticity is explained clearly, with examples provided...
Instructional Video3:14
Brian McLogan

Solve an equation using the quadratic formula

12th - Higher Ed
👉 Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Instructional Video7:04
History Hit

Yasmin Khan on the Indian Partition: Indian congress

12th - Higher Ed
How does congress become divided? How did nationalism affect India at that time?<br/>
Yasmin Khan on the Indian Partition, Part 3
Instructional Video11:10
Curated Video

Introduction to Elasticity in Economics

12th - Higher Ed
This video introduces the concept of elasticity and its importance in economics. The video also discusses the significance of proportionate changes in variables and how initial values impact the calculation of elasticity. The elasticity...
Instructional Video3:18
Curated Video

Solving Division Problems Using Inverse Operations

K - 5th
In this lesson, mathematicians learn to solve division problems by using inverse operations. They understand that division is the reverse of multiplication, as it separates or breaks a group into parts.
Instructional Video4:58
Curated Video

Comparing Unit Fractions: Understanding Value

K - 5th
In this video, students learn how to compare unit fractions by thinking of them as divisions of one whole. The teacher explains that the unit fraction with the smaller denominator actually has the greater value. Through examples of...
Instructional Video3:26
Curated Video

Division of Whole Numbers by Unit Fractions Using the Multiplicative Inverse

K - 5th
In this video, the teacher explains how to divide whole numbers by unit fractions using the concept of the multiplicative inverse. They provide examples and visuals to help students understand the process and avoid common mistakes.
Instructional Video4:14
Curated Video

Dividing Unit Fractions by Whole Numbers Using the Multiplicative Inverse

K - 5th
In this lesson, students will learn how to divide unit fractions by whole numbers using the concept of the multiplicative inverse. By understanding the relationship between division and finding fractional parts, students will gain a...
Instructional Video10:53
Curated Video

Calculating Price Elasticity of Demand: A Step-by-Step Guide

12th - Higher Ed
This video is a tutorial on how to calculate the price elasticity of demand for a good. The speaker explains the process step by step, starting with calculating the changes in quantity demanded and price, then using those numbers to...