Interpreting Structure in Expressions Identifying Terms, Factors, and Coefficients Lesson 1.1.1

Bellringer How can you write the cost of 2 DVDs as an algebraic expression? How can you write the cost of 2 DVDs and 3 CDs as an algebraic expression? How can you write the cost of 2 DVDs and 3 CDs, increased by $5.60 for taxes, as an algebraic expression? Warm Up 5 minutes

Bellringer - debrief How can you write the cost of 2 DVDs as an algebraic expression? 2d How can you write the cost of 2 DVDs and 3 CDs as an algebraic expression? 2d + 3c How can you write the cost of 2 DVDs and 3 CDs, increased by $5.60 for taxes, as an algebraic expression? 2d + 3c + 5.60 Warm Up Debrief 2 minutes

Standard MGSE9-12.A.SSE.1 Interpret expressions that represent a quantity in terms of its context. MGSE9-12.A.SSE.1a Interpret parts of an expression, such as terms, factors, and coefficients, in context.

Learning Targets I can interpret the parts of an expression including the factors, coefficients, and terms. I can use grouping strategies to interpret expressions.

Mini Lesson Notes 10 minutes

Mini Lesson

Mini Lesson Guided Practice 1.1.1 Example 1 Identify each term, coefficient, constant, and factor of 2(3 + x) + x(1 – 4x) + 5. Guided Practice 10 minutes

Mini Lesson Example 2 A smartphone is on sale for 25% off its list price. The sale price of the smartphone is $149.25. What expression can be used to represent the list price of the smartphone? Identify each term, coefficient, constant, and factor of the expression described.

Mini Lesson Example 3 Helen purchased 3 books from an online bookstore and received a 20% discount. The shipping cost was $10 and was not discounted. Write an expression that can be used to represent the total amount Helen paid for 3 books plus the shipping cost. Identify each term, coefficient, constant, and factor of the expression described.

Work Session Problem-Based Task 1.1.1: Identifying Parts of an Expression in Context Tara and two friends had dinner at a Spanish tapas restaurant that charged $6 per tapa, or appetizer. The three of them shared several tapas. The total bill included taxes of $4.32. What are the terms, factors, and coefficients of the algebraic expression that represents the number of tapas ordered, including taxes? Problem-based task 9 minutes

Homework Practice 1.1.1 Identifying Terms, Factors, and Coefficients Choose 1 from #1-2 Choose 1 from #3-4 Choose 3 from #6-10 Intro HW 2 minutes

Closing Thinking of what we worked on today, what are some Common Errors or Misconceptions that could cause confusion? 3 minutes