Evaluating and Writing Algebraic Expressions COURSE 2 LESSON 2-1 Write an algebraic expression for each word phrase. a. 6 less than d dollars b. the sum of s students and 9 students c. 12 times b boxes d. 20 hours of work divided equally among w workers d – 6 s + 9 12b 20 w 2-1

Evaluating and Writing Algebraic Expressions COURSE 2 LESSON 2-1 Write three different word phrases for 2y. 2-1

Evaluating and Writing Algebraic Expressions COURSE 2 LESSON 2-1 The cost of a package of markers is d dollars. Write an algebraic expression for the total cost in dollars of 7 packages of markers. Words number of packages times cost per package d = cost per package Expression 7 • d An algebraic expression for the total cost in dollars is 7d. 2-1

Evaluating and Writing Algebraic Expressions COURSE 2 LESSON 2-1 Evaluate when n = 12 and p = 8. 1. 2n – 9 2. 3(n + p) 3. + 7 Write an algebraic expression for each word phrase. 4. the number of days in w weeks 5. two less than m mice n 4 15 60 10 7w m – 2 2-1