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Handout
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Chapman University

Fundamental Theorems of Mathematics

For Teachers 9th - Higher Ed
There are four fundamental theorems of mathematics: arithmetic, algebra, calculus, and linear algebra listed here. Each one is described on this poster or handout. The challenge for a student of math is to figure out why they are...
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Lesson Plan
Nuffield Foundation

Working with Immobilized Enzymes or Microscopic Organisms

For Teachers 9th - 12th
Let the lab be a catalyst to learn about enzymes. Scholars create alginate beads filled with yeast. As part of an investigation into enzymes, they see how these beads provide a catalyst to the reaction of glucose into ethanol.
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Interactive
Curated OER

Ecology Community Status

For Students 7th - 8th
In this ecology community status worksheet, students research their state's ecosystem, make a chart of the biodiversity, analyze the chart and identify issues with wetland species.  This page has several links to helpful web resources.
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Lesson Plan
Curated OER

Transposition Cryptography

For Teachers 8th - 10th
Students differentiate the types of cryptosystems and use them to communicate privately. In this algebra lesson, students use substitution and transposition to identify the cryptographs. They send and receive cryptograms as they try...
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Interactive
Curated OER

Wetlands - Food Web Relationships

For Students 6th - 10th
In this food web relationships worksheet, students click on the links to learn about the food web relationships in the wetlands and answer short answer questions about it. Students complete 8 questions total.
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Lesson Plan
Curated OER

Finding The Circumference Given The Radius

For Teachers 6th - 7th
Students develop an understanding of pi and the relationship between the diameter, radius and circumference. After a lecture/demo, students use construction paper and a compass to solve problems using diameter, radius and circumference.
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Lesson Plan
Curated OER

Linear Systems and Echelon Forms

For Teachers 11th
Eleventh graders define various types of linear systems and three types of solutions. In this linear system and echelon forms lesson, 11th graders solve a linear system using elementary row operations. Students also describe the set of...
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Lesson Plan
Curated OER

Solution Sets and Linear Independence of Vectors

For Teachers 11th
Eleventh graders study homogeneous linear systems. In this linear system of equations lesson, 11th graders write linear system solutions in parametric vector form. Students also identify the connection between linear independence and...
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Lesson Plan
Curated OER

Linear Independence, Bases and Coordinate Systems

For Teachers 11th - 12th
Students define vocabulary related to vectors and investigate vector problems. In this math instructional activity, students define basis and explore plotting vectors in correlation to their basis. Plotting polynomials facilitates...
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Lesson Plan
Curated OER

Multicultural Fairy Tales

For Teachers 3rd
Third graders explore the elements of a story using fairy tales from all over the world. They compare and contrast story elements, key ideas and concepts found in a variety of texts from around the world.
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Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Null Space and Column Space Basis

For Students 9th - 10th
Video first gives examples of finding the column space and null space of a matrix. Shows how to determine if the column space is a basis. Gives an example of finding the basis of the column space if the column space is not already a...
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Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Matrix Vector Products

For Students 9th - 10th Standards
Video starts with reviewing matrix notation. Defines multiplying a matrix by a vector and shows examples. Shows how the matrix-vector products can be interpreted as the dot product of column vectors with a matrix or as a weighted linear...
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Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Visualizing a Column Space as a Plane in R3

For Students 9th - 10th
Video reviews how to find a basis for the column space and talks about how to find it more efficiently using reduced row echelon form. Shows a visualization of the column space in R3 as a plane. Shows two methods to determine the...
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Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Column Space of a Matrix

For Students 9th - 10th
Video defines the column space as a linear combination of the column vectors and relates it to span. Shows that the column space is a valid subspace. Shows several ways to interpret a column space. This video also appears in the strand...
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Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Matrix Condition for One to One Trans

For Students 9th - 10th
Video first reviews what the null space is and how to solve for it using reduced row echelon form. Shows that any solution to the inhomogeneous system Ax = b will be the sum of a particular solution and a homogeneous solution. Extends...
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Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Dimension of the Column Space or Rank

For Students 9th - 10th
Video shows how to find the basis and dimension of the column space by finding its reduced row echelon form and using the columns corresponding to the pivot columns as the basis. Explains that rank is the dimension of the column space....
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Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Null Space 2: Calculating the Null Space of Matrix

For Students 9th - 10th
Video demonstrates how to calculate the null space of a matrix by creating a system of equations and using reduced row echelon form to solve and represent the null space by a linear combination of vectors and by the span of vectors. This...
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Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Using Orthogonal Change of Basis Matrix Example

For Students 9th - 10th Standards
Video defining an orthogonal matrix as a square matrix C whose columns form an orthonormal set. Shows that C will be invertible and that multiplying C transpose by C will result in the identity matrix. The result that C transpose equals...
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Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Transpose of a Matrix

For Students 9th - 10th Standards
Video explaining that the transpose of a matrix is created by switching rows and columns. The idea is shown abstractly and specifically with 2x2 matrix and 4x3 matrix. Also shows that the transpose of a transpose is the original matrix....
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Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Linear Transformations as Matrix Vector Products

For Students 9th - 10th Standards
Video first introduces the identity matrix and shows that when any vector is multiplied by the identity matrix the result is the original vector. Also shows that the columns of the identity matrix are called the standard basis for R^n....
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Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Linear Transformations as Matrix Vector Products

For Students 9th - 10th Standards
Video first introduces the identity matrix and shows that when any vector is multiplied by the identity matrix the result is the original vector. Also shows that the columns of the identity matrix are called the standard basis for R^n....
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Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Introduction to the Null Space of a Matrix

For Students 9th - 10th
Video first reviews the criteria for a subspace and then goes through the steps to show the null space meets the criteria and is a a subspace. This video also appears in the strand Algebra: Matrices. [10:21]
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Unit Plan
OnlineMathLearning.com

Online Math Learning: Multiply a Vector by a Matrix

For Students 9th - 10th Standards
Examples, solutions, videos, and lessons to help students learn how to multiply a vector (regarded as a matrix with one column) by a matrix of suitable dimensions to produce another vector. Work with matrices as transformations of...
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Instructional Video
Other

Study Force: How to Multiply a Row Vector to a Matrix

For Students 9th - 10th Standards
This video models clearly how to multiply a row vector, which is equivalent to a one-column matrix, by a matrix. It explains that the dimension of the resultant matrix will have the number of rows of the first matrix and the number of...

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Column Matrix