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...
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...
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.
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
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
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
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
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
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
Fresh Foods from Farm to Table
Are you a good egg? Learners begin a farm-to-table lesson by acting out verbs in groups to demonstrate the egg production process, and then research the steps using online resources. Several excellent videos are linked through the...
Curated OER
The Electoral Process
High schoolers study the history and mechanics of the Electoral College and formulate opinions as to whether this institution should be preserved, modified or eliminated. They compare and contrast electoral and popular votes in the...
Canadian Museum of Civilization Corporation
Artifacts Tell Stories: Creating a First World War Museum in the Classroom
Although designed for the Canadian War Museum, the concept here is a solid one. Class members select an artifact from the First World War, examine it, research it, and craft an explanative label that they attach to their picture and post...
Encyclopedia Britannica
Impeachment Explainer
Andrew Johnson (1868) Bill Clinton (1998) and Donald Trump (2019) were impeached by the House of Representatives. To demonstrate their understanding of the impeachment process, individual create their own "Impeachment Explainer." Writers...
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
Reading and Responding: Lesson 3
Eighth graders practice reading a nonfiction selection. They read for details, read for cause and effect, and practice the process of elimination. They use these strategies when answering multiple choice questions in tests.
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...
Curated OER
Learning to Write and Send Email
Students generate more expressibe and receptive language by send emails to a friend. They improve their word processing and technology skills by sending and receiving emails. A rubric is included in this lesson plan for assessment purposes.
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...
EngageNY
Publishing Historical Fiction Narratives
Class members discover what it means to publish their works. Working on a computer, young writers use an online dictionary to edit their spellings and conventions based on the information added to the rubric. From here, and most of the...
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...