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.
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.
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
***THIS PRODUCT IS PART OF MONEY-SAVING BUNDLES***
Linear Systems Activities Bundle
Algebra 1 Relay Activities Bundle
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