Curated OER
Cramer's Rule
In this Cramer's Rule activity, students solve and complete 18 different problems related to trigonometry. First, they solve each system of equations using Cramer's Rule. Then, students solve using matrix elimination. Finally, they solve...
Curated OER
It All Adds Up -- Puzzle #30
In this addition matrix puzzle worksheet, students insert 8 numbers that make the puzzle add up horizontally, vertically, and diagonally.
PBL Pathways
Gas Prices
How can math help your vehicle run better? Complete an interesting project-based learning task with your classes to determine the cheapest approach to mixing the ideal octane level of gasoline. Scholars create and solve a system of...
Curated OER
MT-A315 Introduction to Linear Algebra: Worksheet 5.2
In this linear algebra activity, learners find the determinant of a matrix. Additionally, they expand rows and use the product theorem to identify which matrices are invertible. Students complete five multi-step problems.
Curated OER
Magic Square
In this algebra instructional activity, 9th graders solve a riddle like puzzle involving matrices and linear equations. They have to find the missing numbers in the square, using the given numbers.
Curated OER
Magic Squares for Shakespeare's Twelfth Night, Act II, scene 5
Readers of Shakespeare’s Twelfth Night use a magic squares matrix to match vocabulary words from Act II, Scene 5 with their definitions. An answer key is provided.
Curated OER
Magic Squares
In this magic squares worksheet, students solve 3 different magic squares shown on the sheet. First, they identify the numbers already used in each square. Then, students determine which number goes in each blank to equal the same sum in...
Curated OER
Dimension and Rank
Students determine the dimension of a subspace. In this dimension and rank lesson, students explore the dimension of a vector space. They compare and explore the relationship in a matrix.
Curated OER
Linear Systems: Permutations and Transposes
In this permutations worksheet, students identify a transpose matrix, and create a permutation matrix. This three-page worksheet contains six problems.
Curated OER
Linear Systems and Echelon Forms
Eleventh graders define various types of linear systems and three types of solutions. In this linear system and echelon forms instructional activity, 11th graders solve a linear system using elementary row operations. Students also...
Curated OER
Linear Systems: Fundamental Theorem of Linear Algebra
In this linear algebra instructional activity, students complete matrix multiplication. They find the row space and nullspace of given matrices. This two-page instructional activity contains examples, explanations, and approximately...
Curated OER
Linear Systems: Orthogonality of Subspaces
In this subspace worksheet, students decompose a vector into two orthogonal pieces, one for the nullspace and another for the row space of a matrix. This two-page worksheet contains explanations, examples, and three problems.
Curated OER
It All Adds Up -- Puzzle #18
In this addition matrix puzzle worksheet, students insert 8 numbers into the matrix so that the numbers add up vertically, horizontally, and diagonally.
Curated OER
Linear Systems: Review of Vectors
For this review of vectors worksheet, students explore vectors and their uses. They multiply and subtract vectors and identify the linear combinations of given matrices. This two-page worksheet contains approximately ten problems.
Curated OER
It All Adds Up -- Puzzle #16
In this addition matrix puzzle, students insert the proper numbers to make the rows, columns, and diagonals add up to the proper numbers.
Curated OER
Linear Systems: Other Methods of Computing Determinants
In this computing determinants instructional activity, students explore methods of computing determinants. They complete determinant problems by using the co-factor method, the "big formula" and the use of product of the pivots. This...
Curated OER
Linear Systems: Vector Spaces
For this vector space worksheet, students explore linearly independent vectors. They identify the row space, null space and subspaces of a given matrix. This four-page worksheet contains approximately eight problems.
Chapman University
Fundamental Theorems of Mathematics
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 true.
Curated OER
Comparing Fairy Tales
Students read and review common fairy tales and come up with a list of characteristics from them. The Teacher models filling out either a compare & contrast graphic organizer comparing two fairy tales.
Curated OER
Ecology Community Status
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.
Curated OER
Wetlands - Food Web Relationships
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.
Curated OER
Transposition Cryptography
Students differentiate the types of cryptosystems and use them to communicate privately. In this algebra instructional activity, students use substitution and transposition to identify the cryptographs. They send and receive cryptograms...
Curated OER
Finding The Circumference Given The Radius
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.
Curated OER
Sequence Alignment
Young scholars explore the uses of sequence alignment. In this DNA instructional activity students complete several experiments on sequencing and algorithms.