Instructional Video9:35
Math Antics

Solving Basic Equations Part Two

6th - 9th Standards
Some equations require inverses of multiplication and division. Solving equations use inverse operations to isolate the variable. The video shows how to solve one-step equations involving multiplication and division and works several...
Instructional Video11:08
Math Antics

Solving Basic Equations Part One

6th - 9th Standards
Add and subtract to keep an equation in balance. With the assistance of a balance, the video explains the process of solving an equation. The presentation details how to solve equations that involve addition and subtraction.
Instructional Video12:07
Math Antics

What Is Algebra?

6th - 9th Standards
Simply defined, algebra is arithmetic involving an unknown. The video introduces algebra by making the connection to arithmetic. Using examples, the presentation explains the use of variables and notation. The resource previews graphing...
Instructional Video8:28
1
1
Math Antics

What Percent Is It?

6th - 8th Standards
Which of the three percent questions is being asked? There are three basic types of percent problems, the resource covers the type when the percent is unknown. The resource shows two methods of finding the percent, either through the use...
Instructional Video8:37
1
1
Math Antics

Percents and Equivalent Fractions

6th - 8th Standards
Why convert fractions into percents? The video reminds viewers that percents are a fraction with a denominator of 100. Using equivalent fractions, the resource shows how to change percents to a fraction without a denominator of 100. The...
Instructional Video11:34
Math Antics

What Are Functions?

6th - 9th Standards
Setup the idea of functions for the class. Using sets, the presentation introduces the concept of a function. The initial example uses a general function but then moves on to equations as functions. The video provides an example of an...
Instructional Video10:43
Math Antics

Simplifying Polynomials

6th - 9th Standards
Combine terms to help simplify. An introduction of like terms starts the discussion on simplifying polynomials. Playing the game "like terms or not like terms" soldifies the concept of like terms. The video shows how individuals can...
Instructional Video10:29
Math Antics

Solving Two-Step Equations

6th - 9th Standards
Order really does matter! Show your class how order makes a difference in solving equations. The presentation uses the order of operations in reverse as a guide to help solve two-step equations. Continuing, the video shows how to solve...
Instructional Video10:26
1
1
Math Antics

Area

3rd - 8th Standards
Area is a two-dimensional measurement for a two-dimensional figure. The introduction of area expands on the idea of the one-dimensional measurement of length, but instead of staying one-dimensional, it goes in two directions. The video...
Instructional Video17:16
1
1
3Blue1Brown

Eigenvectors and Eigenvalues | Essence of Linear Algebra, Chapter 10

11th - Higher Ed Standards
Find vectors that stay on their spans after a linear transformation. The 14th video in the series of 15 introduces the concept of eigenvectors, vectors that are only scaled during a linear transformation. The presentation illustrates the...
Instructional Video12:51
1
1
3Blue1Brown

Change of Basis | Essence of Linear Algebra, Chapter 9

11th - Higher Ed Standards
It is all about perspective. A video introduces the idea that the view of a vector all depends upon the perspective of the basis vectors. Knowing how to go from one coordinate system's basis vectors to another system's basis vectors...
Instructional Video13:10
1
1
3Blue1Brown

Cross Products in the Light of Linear Transformations | Essence of Linear Algebra Chapter 8 Part 2

11th - Higher Ed Standards
What do cross products and parallelpipeds have in common? The video discusses the geometric representation of the cross product. The geometric interpretation explains why the computational trick in calculating the cross product works.
Instructional Video9:52
1
1
3Blue1Brown

Vectors, What Even Are They? | Essence of Linear Algebra, Chapter 1

11th - Higher Ed Standards
Take a look at vectors as geometric objects and then as an algebraic concept. The second video in a series of 15 introduces the vector using three perspectives: the physics, computer science, and mathematical. The resource shows the...
Instructional Video14:12
1
1
3Blue1Brown

Dot Products and Duality | Essence of Linear Algebra, Chapter 7

11th - Higher Ed Standards
The dot product of two matrices is a number on the number line, its transformation. The resource presents the dot product as a linear transformation from two dimensions to one dimension. The video uses the numerical and graphical...
Instructional Video4:27
1
1
3Blue1Brown

Nonsquare Matrices as Transformations Between Dimensions | Essence of Linear Algebra, Footnote

11th - Higher Ed Standards
But what happens if the matrix is not square? The ninth video in a series of 15 serves as a footnote to discuss non-square matrices. The resource presents them as transformations between two and three dimensions. The presentation...
Instructional Video10:03
1
1
3Blue1Brown

The Determinant | Essence of Linear Algebra, Chapter 5

11th - Higher Ed Standards
Determine how much a linear transformation alters area. The seventh segment in a series of 15 makes the connection between the determinant and the scale factor of areas during a linear transformation. The video goes on to explain the...
Instructional Video4:46
1
1
3Blue1Brown

Three-dimensional Linear Transformations | Essence of Linear Algebra, Footnote

11th - Higher Ed Standards
Bring it all to three dimensions. The short video points out that the discussion in the previous presentations in two dimensions also holds true for three dimensions. The sixth video in the series of 15 specifically makes the...
Instructional Video10:04
1
1
3Blue1Brown

Matrix Multiplication as Composition | Essence of Linear Algebra, Chapter 4

11th - Higher Ed Standards
Take a different view at matrix multiplication. Based on vector transformations, the video presents matrix multiplication as the result of the composition of multiple linear transformations. The presentation explains the numerical...
Instructional Video10:59
1
1
3Blue1Brown

Linear Transformations and Matrices | Essence of Linear Algebra, Chapter 3

11th - Higher Ed Standards
Are all transformations of the plane linear transformations? The video provides examples of transformations of the plane and provides the definition of linear transformations. The resource begins the discussion of using matrix...
Instructional Video5:09
1
1
3Blue1Brown

Essence of Linear Algebra Preview

11th - Higher Ed Standards
Make connections with linear algebra. The video introduces the concept of linear algebra and its geometric underpinnings. The resource makes the case that a complete understanding of linear algebra topics should include geometric...
Instructional Video1:20
MinutePhysics

Foiled Proof

9th - 12th Standards
Find the area of FOIL. A short video makes the connection between the FOIL method and the area model of multiplying two binomials. The graphics show how the different parts of the area model can be connected to the nemonic FOIL.
Assessment8:43
Mathed Up!

Area and Circumference of Circles

8th - 10th Standards
Don't go around and around, help your class determine amounts around and in a circle with a video that connects circumference to the perimeter or the distance around an object. The resource includes 14 questions dealing with circles and...
Lesson Plan1:00
Mathematics Assessment Project

Modeling Motion: Rolling Cups

9th - 12th Standards
Connect the size of a rolling cup to the size of circle it makes. Pupils view videos of cups of different sizes rolling in a circle. Using the videos and additional data, they attempt to determine a relationship between cup...
Assessment9:09
Mathed Up!

Nets, Plans, and Elevations

7th - 10th Standards
A dimensional resource teaches viewers to recognize 2-D views of 3-D objects and how to match nets with their 3-D figures. Individuals draw different views of three-dimensional objects including views from the front, side...