# Engaging Math Lessons.

Please browse our selection of mathematics lessons sorted by subject and current common core standards for improving math achievement for every student.

## Traditional Pathway: Algebra 1

Below are a comprehensive set of lesson plans and worksheets for Algebra 1 that correspond to the given Common Core concept and help students solve real-world problems. Lesson previews provide a quick glimpse at the provided materials.

• ### Concept:

Seeing Structure in Expressions
• Common Core Standard:CCSS.Math.Content.HSA.SSE.A.1.A
• Description: Interpret parts of an expression, such as terms, factors, and coefficients. • ### Concept:

Seeing Structure in Expressions
• Common Core Standard:CCSS.Math.Content.HSA.SSE.A.1.B
• Description: Interpret complicated expressions by viewing one or more of their parts as a single entity. • ### Concept:

Seeing Structure in Expressions
• Common Core Standard:CCSS.Math.Content.HSA.SSE.A.2
• Description: Use the structure of an expression to identify ways to rewrite it. • ### Concept:

Seeing Structure in Expressions
• Common Core Standard:CCSS.Math.Content.HSA.SSE.B.4
• Description: Derive the formula for the sum of a finite geometric series (when the common ratio is not 1), and use the formula to solve problems. For example, calculate mortgage payments. 