Solving Systems by Elimination
Students use the elimination method to solve systems of linear equations. They multiply equations by constants to create opposite coefficients.
About This Topic
Students use the elimination method to solve systems of linear equations. They multiply equations by constants to create opposite coefficients.
Key Questions
- How does the addition property of equality allow us to eliminate a variable?
- Why might we need to multiply one or both equations before adding?
- How do we choose the best method for solving a given system?
Planning templates for Algebra I
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
Unit PlannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
RubricMath Rubric
Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
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