CK-12 Foundation
Linear Systems with Addition and Subtraction: Fill in the Boxes 1
Eliminate a color by dragging shapes. The interactive provides a graphical color display that allows for pupils to solve a linear system by elimination. Learners combine figures following set rules for positive and negative shapes. The...
Curated OER
Elimination Using Addition and Subtraction
In this systems of equations worksheet, students use the elimination method to solve systems of equations. An example and explanation is given at the beginning of the worksheet. This one-page worksheet contains ten problems.
College Preparatory Mathematics
Using Elimination To Find the Point of Intersection of Two Lines
Two example problems are solved on the first page using the elimination method with a pair of linear equations. Detailed explanations accompany the math. The second page provides 20 practice problems and their answers. This would be a...
Blogger
Integer Operations Posters
Eliminate young mathematicians' confusion over performing operations with integers using this set of classroom displays. Providing learners with simple, easy-to-follow rules, this resource will have students fluently adding, subtracting,...
Curated OER
System of Equations: Elimination Method Using Addition and Subtraction
In this system of equations worksheet, learners decide if the addition, subtraction, or substitution method works best for 15 problems of two equations and two unknowns and then use the preferred method to solve the system. Theys are...
CK-12 Foundation
Linear Systems with Addition and Subtraction: XYZ Tiles
Cover it up to reveal the values of variables. Using arrangements of colored tiles representing algebraic expressions, pupils layer them over each other to determine the values of variables. The procedure models the elimination method in...
CK-12 Foundation
Linear Systems with Addition and Subtraction: Fill in the Boxes 2
Systematically combine shapes to arrive at one solution. The resource models a system of linear equations using colored shapes. Pupils follow rules to combine circles and squares to add the two equations together, resulting in one...
Alabama Learning Exchange
Systems on a Mission
Solve systems of equation problems using four different methods: elimination by addition or subtraction, graphing, elimination by multiplication, and substitution. Middle schoolers are then given a series of "missions" to complete.
Curated OER
Solving System of Equations by Addition or Subtraction
In this online math instructional activity, high schoolers solve systems of equations by using addition and subtraction . This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Curated OER
Solving System of Equations by Addition
In this Algebra I/Algebra II worksheet, students solve systems of linear equations by addition. The one page interactive worksheet contains ten questions. Answers and hints are provided.
Henrico County Public Schools
Solving Systems of Equations Algebraically
Looking to review solving systems of equations algebraically? An educational slideshow presentation explains the methods of elimination and substitution, works through example problems, and provides practice problems.
Curated OER
Addition Word Problems
Use this set of simple addition word problems to get your mathematicians thinking about applicable arithmetic. They read nine scenarios and choose an answer from a list of numbers. There are the same number of answers as problems, so...
Curated OER
Human Body Series - Digestive System
With articles entitled, "What's Puke?" and "What is a Fart?" this digestive system lesson is sure to be a gas! Elementary anatomists do a belly dance to illustrate how food moves through the digestive system and then design a board game...
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
Addition and Subtraction
In this addition and subtraction worksheet, students analyze a math sentence such as: 16+2 = 12-6. Students solve the problems on each side of the equal sign, and mark "true" if the answers are the same and "false" if they are different....
Balanced Assessment
Dog Tags
Class members demonstrate a proficiency with conditional probabilities through this task. Individuals calculate probabilities using multiplication and addition. They also distinguish between repetition and non-repetition while...
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
Finding X and Y Intercepts
How can you solve systems of linear equations? This slideshow introduces learners to the substitution method, the elimination method using addition and subtraction, and the elimination method using multiplication. Guided practice...
Curated OER
Letter from Birmingham Jail Active Reading SkillBuilder
Dr. Martin Luther King’s “Letter from Birmingham Jail” is the text used as the basis of a packet of skill-building activities. After a close reading of the letter, individuals identify the type of arguments King uses and the allusions he...
Curated OER
Subject and Predicates, Oh My!
Eliminate all doubt when it comes to sentence structure with nine thorough lesson plans. Whether you want your young writers to vary their sentence structure or shore up their knowledge of conjunctions and semicolons, these lessons are a...
Curated OER
Detective Duck's Preparatory Course
In this addition worksheet, 4th graders focus on missing numerals. Students complete 13 problems solving for missing digits in each of the vertical addition problems.
Curated OER
Systems of Equations (Systems Project Part 1)
In this systems of equations worksheet, students identify and explore three ways to solve systems of equations: graphing, substitution, elimination. They discuss the strengths, weaknesses, and write an algorithm for each method. ...
Scholastic
Study Jams! Identify Missing or Extra Information
Learn to maneuver through word problems by identifying the specific information needed to solve it. Is there unnecessary information? Is there missing information?
Curated OER
Add and Subtract within 20
The sums and differences only reach 20 in this arithmetic worksheet. Scholars answer 10 simple number sentences, some involving two numbers and others with three. They choose the correct answer from a list on the right. There are the...