" Solve Linear Systems Using Substitution Relay Activity - Algebra 1 - Digital - Distance Learning "

DIGITAL AND PRINT: Six rounds include practice solving systems of linear equations using the substitution method. The activity includes a problem with “no solution” and two word problems.

Separate students into groups of four and give each student their own copy of Round 1. Students should discuss the problem as they work on it and agree on the correct answer. Once each student in the group has the correct answer, ONE person from the group takes ONE Round 1 sheet to have it checked by the teacher.

If the answer is correct, the student then picks up four copies of Round 2 for the group. If the answer is not correct, the teacher sends the student back so the group can correct Round 1.

Groups continue working until each round is completed and checked by the teacher for accuracy.

This activity works well early in a lesson when students are actively learning a new skill. The discussion and collaboration in the small groups enhance the students’ learning.

The answer key for the teacher is included.

***DIGITAL COMPATIBLE: Through Easel Activities, this product contains an INTERACTIVE PDF. Text boxes and instructions for online use are already included. You will be able to further annotate and customize it for your digital learning needs. Underlying content is not editable. Your students will complete the digital PDF and submit it to you for review via Google Classroom or other LMS.

CCSS: Analyze and solve pairs of simultaneous linear equations.

8.EE.C.8 Analyze and solve pairs of simultaneous linear equations.

8.EE.C.8a Understand that solutions to a system of two linear equations in two variables correspond to points of intersection of their graphs, because points of intersection satisfy both equations simultaneously.

8.EE.C.8b Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. 

8.EE.C.8c Solve real-world and mathematical problems leading to two linear equations in two variables.

CCSS: Solve systems of equations.

HSA.REI.C.6 Solve systems of linear equations exactly and approximately (e.g., with graphs), focusing on pairs of linear equations in two variables.

CCSS: Create equations that describe numbers or relationships.

HSA.CED.A.3 Represent constraints by equations or inequalities, and by systems of equations and/or inequalities, and interpret solutions as viable or nonviable options in a modeling context. 

TEKS: Linear functions, equations, and inequalities

A1.2.I Linear functions, equations, and inequalities. The student applies the mathematical process standards when using properties of linear functions to write and represent in multiple ways, with and without technology, linear equations, inequalities, and systems of equations. The student is expected to: write systems of two linear equations given a table of values, a graph, and a verbal description.

A1.5.C Linear functions, equations, and inequalities. The student applies the mathematical process standards to solve, with and without technology, linear equations and evaluate the reasonableness of their solutions. The student is expected to: solve systems of two linear equations with two variables for mathematical and real-world problems.

VA SOL: Equations and Inequalities

EI.A.4.d The student will solve systems of two linear equations in two variables algebraically and graphically.

EI.A.4e The student will solve practical problems involving equations and systems of equations.

Teacher Setup:

Print enough copies (one-sided) for each student to have his/her own. Cut pages on the dotted lines to separate rounds into separate stacks (all of Round 1 is in one stack, Round 2 is in a different stack, etc.).

After handing out Round 1, keep stacks of Round 2, Round 3, etc. and only allow students to take the next round in order when their group is ready for it.

Included in the package:

• Six relay rounds

• Answer Key for Teacher

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This purchase is for one teacher only.

This resource is not to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses. If you are a coach, principal, or district interested in a site license, please contact me for a quote at debbiesalgebraactivities@gmail.com. This resource may not be uploaded to the internet in any form, including classroom/personal websites or network drives.