EngageNY
Solution Sets to Simultaneous Equations (part 2)
Do you want your budding mathematicians to be able to explain 'why' and not just 'do'? This lesson encourages an understanding of the process of elimination. Pupils are expected to understand how and why the elimination method is a valid...
Curated OER
Chapter 5 Worksheet - Math 210. Simultaneous Equations
In this simultaneous equation worksheet, pupils use the process of elimination and matrices. This one-page worksheet contains six problems.
EngageNY
Another Computational Model of Solving a Linear System
The process of elimination really works! Use elimination when substitution isn't doing the job. The 29th segment in a series of 33 introduces the elimination method to solving linear systems. Pupils work several exercises to grasp the...
Curated OER
Solving multi-step inequalities and solving systems by elimination
Students solve multi-step equations and apply the process of elimination. In this algebra activity, students solve linear inequalities and equations using linear combination and evaluation. They graph their results on a number line...
Curated OER
Solving Systems of Equations
Students, using algebraic operations, solve and check linear equations. At the beginning of class, they write a paragraph comparing the solving of math problems to solving real life problems. Students observe solving systems of two...
Willow Tree
Systems of Equations
Now that learners figured out how to solve for one variable, why not add another? The lesson demonstrates, through examples, how to solve a linear system using graphing, substitution, and elimination.
Curated OER
Simultaneous Equations Using Elimination
Students solve a system of two unknowns. In the Algebra lesson, students use a on line computer applet/program to solve a system by the elimination method. The student's work is self checking, giving immediate feedback. ...
Curated OER
Exploration with Geometric Solids
Students reinforce geometric concepts by playing "Guess My Solid." Through a process of elimination, they determine the shapes of mystery solids. Finally, students use various materials to construct their own geometric figures.
Curated OER
Sudoku Puzzle
Students complete a Sudoku puzzle using their math skills. After listening to the rules of Sudoku and observing a demonstration, students use the process of elimination and other methods to complete puzzles. They explore how the...
Curated OER
Identifying Relative Value of Pattern Blocks
Students assign value to different shapes of pattern blocks, and estimate values and use process of elimination to determine values. In this pattern block values lesson plan, students trace each block on a worksheet and use 5 blocks to...
Curated OER
How Does Your Garden Grow?
Students construct and maintain a school garden. In this gardening instructional activity, students plan the construction of the garden by writing letters to local businesses asking for supplies and materials; students build the garden...
Curated OER
Problem Solving: 100 Board Logic Problems
Get mathematicians engaged with number terminology using this puzzle activity! Learners determine the selected number from a hundred board by eliminating numbers using clues. As a group, each learner has a specific role, outlined in the...
West Contra Costa Unified School District
Connecting Graphing and Solving Absolute Value Equations and Functions
Can you solve an equation graphically? Absolutely! This Algebra II lesson makes the connection between solving an absolute value equation and graphing two functions. Graphing absolute value functions is presented through the process of...
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
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...
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 plan, they work through problems of solving systems by substitution, elimination, and graphing....
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
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
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.
Curated OER
Curriculum Compacting (Grade 3-5)
Fourth graders examine the use of curriculum compacting when learning math concepts. In this curriculum compacting lesson, 4th graders complete a math assessment before deciding on which compacting activities they will do to master the...