Curated Video
Converting Improper Fractions and Mixed Numbers
In this video lesson, students learn how to convert pictures of improper fractions or mixed numbers into standard form. They are taught to identify the denominator as the number of pieces in one whole and the numerator as the number of...
Curated Video
Solving Systems of Equations by Elimination with Opposite Coefficients
In this lesson, students will learn how to solve systems of equations using the elimination method when opposite coefficients are present. The video explains the concept of opposite coefficients and how they allow us to cancel out...
Curated Video
Understanding Fractions: Writing Fractions in Standard Form
In this lesson, students will learn how to look at a picture of a fraction and write it in standard form. They will understand the concept of numerator and denominator, and how to represent fractions as pictures.
Why U
Algebra 41 - Using Systems of Equations Versus One Equation
When should a system of equations with multiple variables be used to solve an Algebra problem, instead of using a single equation with a single variable?
Curated Video
Finding Zeros of Quadratic Functions by Factoring
In this video, the teacher explains how to find the zeros of a quadratic function by factoring out the greatest common factor. They provide examples and step-by-step instructions on factoring and solving for the zeros. The video also...
Curated Video
Finding Zeros of Quadratic Functions with Common Monomial Factors
In this video, the teacher explains how to identify the zeros of a quadratic function that has a common monomial factor in each term. They demonstrate how to factor out the common monomial factor and set the factored form equal to zero...
Curated Video
Dividing Numbers and Decimals by Powers of 10
In this video, students will learn how to divide whole numbers and decimals by powers of 10 by using their understanding of place value. The video explains the concept of multiplying by powers of 10 and how it relates to dividing by...
Math Fortress
Algebra II: Quadratic Equations (Level 3 of 3)
This video goes over 7 examples covering the proper way to solve quadratic equations of the form a(px+q)^2=0 and a(px+q)^2+c=0, the common method used to solve quadratic equations of these forms is by taking the square root.
Curated Video
Estimating Solutions to Systems of Equations by Graphing in Standard Form
In this video lesson, the teacher explains how to estimate solutions to systems of equations by graphing when both equations are in standard form. They demonstrate how to find the x and y-intercepts of each equation and graph them on a...
Curated Video
Converting the Equation of a Circle from General Form to Standard Form
In this video, the teacher explains how to convert the equation of a circle from general form to standard form using algebra. They demonstrate the process of completing the square to create perfect square trinomials and then simplify the...
Professor Dave Explains
Complex Numbers: Operations, Complex Conjugates, and the Linear Factorization Theorem
An introduction to complex numbers.
Curated Video
Rewriting Expressions: Standard Form and Difference of Two Squares
In this lesson, students will learn how to determine if an expression can be rewritten in the standard form of a quadratic. They will examine the structure of the expression to identify the quadratic term, linear term, and constant term....
Curated Video
Writing and Graphing Quadratic Equations from Tables
In this video, we learn how to write and graph a quadratic function by examining a table that represents a quadratic relationship. The video explains the standard form and vertex form of a quadratic function, and demonstrates how to...
Curated Video
Exploring the Standard Equation of a Circle
In this video, the teacher explains how to express all the points on a circle using the standard equation of a circle. They demonstrate how to apply the distance formula to determine if a specific point is on a circle, and then...
Curated Video
Factoring Strategies: Rewriting Expressions
In this video, the teacher explains different strategies for factoring expressions. They review factoring by grouping and factoring a difference of two squares. They also provide examples of factoring expressions completely using these...
Curated Video
Solving Quadratic Equations with Complex Solutions Using the Quadratic Formula
In this video, the teacher explains how to solve quadratic equations with complex solutions using the quadratic formula. They discuss the importance of using the order of operations when squaring a number and demonstrate how to...
Curated Video
Estimating Systems of Equations by Graphing
In this lesson, we will learn how to estimate systems of equations by graphing when one equation is in slope intercept form and the other equation is in standard form. We will review the different forms of linear equations and how to...
Curated Video
Multiplying Imaginary Numbers Using the Distributive Property
In this lesson, students learn how to multiply imaginary numbers using the distributive property. They review the properties of the imaginary unit and understand that the product of a real number and an imaginary number is an imaginary...
Curated Video
Finding Zeros of Quadratic Functions with Leading Coefficient Greater Than One
This video lesson teaches students how to identify the zeros of a quadratic function in standard form when the leading coefficient is greater than one. It explains the concept of factoring and setting the factored form equal to zero to...
Curated Video
Translating Numbers from Word Form to Standard Form
In this lesson, mathematicians will learn how to translate numbers from word form to standard form by utilizing the clues provided by commas. By understanding the placement of commas and counting spaces, students can accurately convert...
Curated Video
Writing Numbers as Words
In this video, students learn how to write numbers as words by understanding standard form, expanded form, and word form. They also learn about the tricky numbers like teens and tens and how to correctly write them.
Curated Video
Writing Numbers in Expanded Form
In this video, the teacher explains how to write numbers in expanded form by considering the value of each digit. They demonstrate examples using different numbers and emphasize the importance of understanding the place value system.
Curated Video
Subtracting Three-Digit Numbers Using Expanded Form
In this video, the teacher explains how to find the difference between three-digit numbers without drawing pictures. They introduce the concept of expanded form and demonstrate how to subtract by breaking down the values of each digit.
Khan Academy
Standard Form for Linear Equations
Illuminate the world of mathematics for your class, specifically, the process of linear equations. In this video, Sal teaches about linear equations in standard form after two videos on slope-intercept and slope-point forms. He defines...