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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A sse.b: Taxes and Sales

For Teachers 9th - 10th
This task is not about computing the final price of the shirt but about using the structure in the computation to make a general argument. Aligns with A-SSE.B.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A sse.b.3.b: Rewriting a Quadratic Expression

For Teachers 9th - 10th
The goal of this task is to complete the square in a quadratic expression in order to find its minimum or maximum value. Aligns with HSA-SSE.B.3.b.