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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Rei: How Does the Solution Change?

For Teachers 9th - 10th Standards
The purpose of this task is to ask students to reason about solutions without explicitly solving them to get them to understand what it means for a number to be a solution to an equation. Aligns with A-REI.A.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Rei.1 2 Same Solutions?

For Teachers 9th - 10th Standards
Young scholars are shown six equations and must identify those that have the same solution and give their reasoning, without depending on actually solving them. This task encourages students to look for structure when comparing equations...