Fredonia State University of New York
Watch Your Step…You May Collide!
Can two lines intersect at more than one point? Using yarn, create two lines on the floor of the classroom to find out. Cooperative groups work through the process of solving systems of equations using task cards and three different...
Curated OER
The Elimination Method
Tenth graders investigate the Elimination Method in the solving of equations. They solve the equation using this method in examples with the teacher and then transfer the new knowledge to independent practice.
Curated OER
Linear Systems: Identifying Pivots and Multipliers
In this pivot activity, students explore the elimination process, and write a matrix in upper triangular form. They identify equivalent systems. This four-page activity contains examples, explanations, and approximately ten problems.
Charleston School District
Solving for a Missing Dimension
If a can has a volume of twelve ounces, how tall it should be? If you can work with volume formulas, it's is an easy measurement to find. After finding the volume of figures in the previous lesson of the series, learners now apply the...
Curated OER
Narrow It Down
Ever played 20 Questions? A similar game helps young learners practice asking and answering yes-or-no questions. Spread out several objects, preferably all similar with slight variations (buttons or coins would work well). A leader...
Charleston School District
Solving with Inverse Operations
What does order of operations have to do with solving equations? A video explains solving two-step equations using a do/undo chart. Learners recognize the operations within an equation and use inverse operations to undo those operations.
Curated OER
Solving Linear Systems by Linear Combinations
This worksheet offers six problems to practice solving simultaneous equations using the method of elimination. Start with systems that require multiplying only one of the equations. Then move to systems which require multiplying both...
Curated OER
Solving Systems of Equations
Learners explore the concept of solving systems of equations with two equations and two unknowns. In this solving systems of equations lesson, they work through problems of solving systems by substitution, elimination, and graphing....
Curated OER
Kakuro Puzzle
For this math worksheet, students solve the number puzzle looking for the missing values. The sheet is intended to be a teacher's guide.
Curated OER
Solving Proportions
In this solving proportions worksheet, 9th graders solve and complete 16 different equations that include using proportions. First, they define a proportion and begin by eliminating the fractions in each. Then, students multiply both...
Curated OER
Interpolating Function
In this interpolating function learning exercise, students solve 7 different sets of problems that include determining the interpolating function of each. They write out the equations to interpolate with a constant sine and cosine terms....
Curated OER
Bagels, Pico, Fermi
In this number game, 7th graders work as a class to figure out a three-digit mystery number. Students use logic and the process of elimination to find the answer. It is a great time filler when there are 10 minutes left in class, and...
Curated OER
Linear Systems: Identifying Pivots and Multipliers
In this identifying pivots worksheet, students use algebra to find equivalent systems of equations. This four-page worksheet contains examples, explanations and approximately ten problems.
Curated OER
Linear Systems: LU Decomposition
In this LU decomposition learning exercise, students multiply matrices, identify the elimination matrices, and the inverse of a matrix. This three-page learning exercise contains approximately six problems.
Curated OER
Linear Systems Quiz 3
In this math worksheet, learners practice finding the solutions to the linear systems. Then they execute the Gaussian elimination process to complete the quiz.
Spectrum
Grade 5 Standardized Test Prep
Here you'll find a great sampling of practice standardized test questions organized into four sections: ELA, mathematics, social studies, and science. Help your learners become familiar with the types of multiple-choice questions...
Curated OER
Decimal Magic Squares
In this math activity, students solve the puzzle of the magic square as a grid of numbers where the values in each of the rows, columns and diagonals adds up to the same sum.
Curated OER
Linear Systems: The Matrix Inverse
In this matrix inverse worksheet, students identify a matrix which when multiplied by a coefficient matrix, it transforms into an identify matrix. They use the Gauss-Jordan elimination process to find an inverse matrix. This four-page...
Curated OER
Word Problem Comprehension
Eighth graders comprehend how to solve mathematics word problems. In this word problems lesson, 8th graders use word problems to examine possible answers and eliminate obviously incorrect ones. Students work with word problems in small...
Curated OER
Bye, Bye, Bye, Fraction Phobia!
Young mathematicians utilize video, the internet, and hands-on learning experiences in order to recognize that fractions aren't as "scary" as they first appear, and that we use them every day in our lives. The hands-on activities in this...
Baylor College
How Much Water Do Humans Need?
Physical or life science learners measure the amounts of water eliminated by intestines and the urinary system, and the amounts lost via respiration and perspiration. In doing so, they discover that the body's water must be replenished...
Baylor College
Healthy Homes
Meant to follow a lesson about how concentrated air particles can be inside of a building, this resource gets individuals to assess the possible air pollutants in their own homes. They take home a worksheet and circle spots on it that...
Curated OER
Solving Systems Algebraically
In this algebra lesson, students solve systems of equations. They solve using substitution and elimination. There are 10 questions.
Curated OER
Teaching Radicals in Less Than Five Minutes
Students simplify complex radicals following a specific technique. In this math lesson, students simulate the process using several decks of cards. They explore real life applications of radicals.