Curated Video
Understanding the Influence of Multiplying Equations by Constants on Graphs
In this video, the teacher explains how multiplying an equation by a constant affects the equation and its graph. They define constants and variables, and show how multiplying every term in an equation by a constant produces an...
Curated Video
Solving Word Problems with Positive and Negative Fractions
In this lesson, students will learn how to solve word problems involving positive and negative fractions by using mathematical reasoning. The lesson emphasizes the importance of understanding the problem and ensuring that the final...
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
Solving Story Problems with Unlike Fractions Using Number Lines
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.
Curated Video
Comparing Fractions with Different Numerators and Denominators
In this video, students learn how to compare fractions with different numerators and denominators by using number lines to create common denominators. The teacher explains the importance of considering both the numerators and...
Why U
Pre-Algebra 27 - Raising Exponential Expressions to Powers
If a term raised to a power is enclosed in parentheses and then raised to another power, this expression can be simplified using the rules of multiplying exponents.
Math Fortress
Calculus III: Two Dimensional Vectors (Level 2 of 13)
This video is a review of Two Dimensional Vectors. Topics include vectors in a coordinate system, vectors in standard position, and component form of a vector.
Food Farmer Earth
Reassessing Our Diet: Joan Dye Gussow's Perspective on Modern Food
Joan Dye Gussow discusses the transformative shifts in the U.S. food system, emphasizing the transition from natural, whole foods to nutritionally equivalent, processed alternatives. She critiques the impact of industrialization on food...
Curated Video
Converting Fractions to Repeating Decimals
In this video lesson, students learn how to convert fractions into repeating decimals and how to visually represent them. The teacher explains the concept using examples and a number line, demonstrating that repeating decimals only have...
Curated Video
Converting Unit Fractions to Terminating Decimals
In this video, the teacher explains how to convert unit fractions into terminating decimals using the standard algorithm for division. The teacher provides two strategies for finding the decimal form of a unit fraction: finding an...
Curated Video
Interpreting Graphical Behaviors Using Exponential Properties
In this video, the teacher explains how to interpret graphical behaviors using the properties of exponents. They discuss exponential growth and decay functions, as well as transformations and reflections of these functions. The...
TMW Media
Scalers and Vectors: Solving a problem, Part 1
Given certain parameters, how would you solve this problem? Scalers and Vectors, Part 4
Curated Video
Comparing Fractional Pieces with Different Shapes
This video explains how fractional pieces that have different shapes can still be equivalent. By using cake models, the teacher demonstrates that one fourth of a rectangle and one fourth of a triangle are both equal to one fourth of a...
Sustainable Business Consulting
Energy Case Studies
Case studies of companies saving money through reducing energy usage and purchasing renewable energy.
Curated Video
Finding Common Denominators Using Number Lines
In this lesson, students will learn how to find a common denominator for fractions with unlike denominators by creating number lines. By dividing each fraction's parts into equal divisions, they can determine a common denominator.
Curated Video
Subtracting Mixed Numbers with Unlike Denominators Using Area Models
In this lesson, students will learn how to subtract mixed numbers with unlike denominators by creating area models. The lesson emphasizes the importance of having a common unit when adding or subtracting numbers, and provides...
Curated Video
Adding Mixed Numbers with Unlike Denominators Using Area Models
This video explains how to add mixed numbers with unlike denominators using area models. They review important concepts such as the numerator and denominator of a fraction, the need for a common unit when adding or subtracting, and the...
Curated Video
Completing the Square: Using an Area Model to Rewrite Quadratic Expressions
Learn how to rewrite a quadratic expression so that all of the variable terms are contained in a perfect square. We explore this process using area blocks and show how to complete the square in an expression. We also emphasizes the...
Financial Times
The case for a new centrist political party in Britain
There has been a lot of talk in Britain about the need for a new centrist political party. Political commentator Janan Ganesh talks to FT editor Lionel Barber about whether this is something that could happen.
Curated Video
Proving the Algebraic Squares Proof Using an Area Model
In this video, the teacher explains why (A+B)^2 is not equal to A^2 + B^2 and demonstrates how to prove the correct expansion using an area model. By visually representing the square of a binomial, the teacher shows that it consists of...
Curated Video
Adding Mixed Numbers Using Fraction Bars
This lesson begins with a review of equivalent fractions and the concept of common denominators. It then demonstrates how to deconstruct mixed numbers into fractional parts and multiply to form equivalent fractions. Finally, the video...
Brian McLogan
Solve a System of Linear Equations Using Elimination
👉Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...