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Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

9/15/10 Words and Math. Entry Task. Evaluate each expression for the given values of the variables. Show all steps. 1. 6 x + 9 for x = 3 2. x + 14 + x for x = 8 3. 4 x + 3 y for x = 2, y = 3. 27. 30. 17. Today’s Plan: -Entry Task & Correct Homework -Words and Math

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Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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  1. 9/15/10 Words and Math Entry Task Evaluate each expression for the given values of the variables. Show all steps. 1. 6x + 9 for x = 3 2.x + 14 + x for x = 8 3. 4x + 3y for x = 2, y = 3 27 30 17 Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice Learning Target: -I will translate words into mathematical expressions, and mathematical expressions into words.

  2. 9/15/10 Words and Math Correct Homework pg 94 #1-15 Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice Learning Target: -I will translate words into mathematical expressions, and mathematical expressions into words.

  3. 9/15/10 Words and Math + ÷ × - Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice Learning Target: -I will translate words into mathematical expressions, and mathematical expressions into words.

  4. 9/15/10 Words and Math + - × ÷ Learning Target: - Learn to translate words into mathematical expressions. Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice Learning Target: -I will translate words into mathematical expressions, and mathematical expressions into words.

  5. 9/15/10 Words and Math Which operation symbol goes with each word? + 1. Sum  2. Product  3. Quotient  4. Difference Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice Learning Target: -I will translate words into mathematical expressions, and mathematical expressions into words.

  6. 9/15/10 Words and Math Write an algebraic expression for each word phrase. A. the product of 8 and a number n the product of 8 and n 8 •n 8n B. a number w decreased by 9 w decreased by9 w– 9 w – 9 Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice Learning Target: -I will translate words into mathematical expressions, and mathematical expressions into words.

  7. 9/15/10 Words and Math f 6 Write an algebraic expression for each word phrase. A. the sum of a number h and 88 the sum ofh and 88 h + 88 h + 88 B. the quotient of a number f and 6 quotient off and 6 f 6 Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice Learning Target: -I will translate words into mathematical expressions, and mathematical expressions into words.

  8. 9/15/10 Words and Math Insert Lesson Title Here Write each phrase as an algebraic expression. A. a number decreased by 10 decreased means “subtract” n – 10 B. r plus 20 plus means “add” r + 20 Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice Learning Target: -I will translate words into mathematical expressions, and mathematical expressions into words.

  9. x 11 • Write an algebraic expression for each word phrase. • 1. 5 less than a number k • 2. A number x divided by 11 • The sum of n and 5 • The product of 3 and h k – 5 n + 5 3h

  10. 2-8 Translate Words into Math n 4 Course 2 Write each phrase as an algebraic expression. A. the quotient of a number and 4 quotient means “divide” B. w increased by 5 increased by means “add” w + 5

  11. 2-8 Translate Words into Math Course 2 Insert Lesson Title Here Write each phrase as an algebraic expression. C. the product of a number and 5 the product of a number and 5 n· 5 5n D. 4 times the difference of y and 8 4 times the difference of y and 8 y– 8 4 · 4(y – 8)

  12. 2-8 Translate Words into Math 4 n Course 2 Additional Example 1C & 1D: Translating Verbal Expressions into Algebraic Expressions Write each phrase as an algebraic expression. C. the difference of 3 times a number and 7 the difference of 3 times a number and 7 3 · x– 7 3x– 7 D. the quotient of 4 and a number, increased by 10 the quotient of 4 and a number, increased by 10 + 10

  13. Try This: Examples 1C and 1D Write an algebraic expression for each word phrase. C. add 7 to 3 multiplied by m add 7 to 3 multiplied bym 7 + (3m) 7 + 3m D. the difference of 5 and the product of 2 and r the difference of 5 and the product of 2 and r 5 – (2 • r) 5 – 2r

  14. Additional Examples 1C and 1D: Translating Word Phrases into Math Expressions Write an algebraic expression for each word phrase. C. 3 increased by the difference of p and 5 3 increased by the difference ofp and 5 3 + (p – 5) 3 + (p – 5) D. 24 decreased by the product of 6 and q 24decreased bythe product of 6 and q 24 – (6 • q) 24 – 6q

  15. f 6 Try This: Examples 1A and 1B Write an algebraic expression for each word phrase. A. the sum of a number h and 88 the sum ofh and 88 h + 88 h + 88 B. the quotient of a number f and 6 quotient off and 6 f 6

  16. Try This: Examples 1C and 1D Write an algebraic expression for each word phrase. C. add 7 to 3 multiplied by m add 7 to 3 multiplied bym 7 + (3m) 7 + 3m D. the difference of 5 and the product of 2 and r the difference of 5 and the product of 2 and r 5 – (2 • r) 5 – 2r

  17. 9/15/10 Words and Math Assignment #6 Words and Math: worksheet Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice Learning Target: -I will translate words into mathematical expressions, and mathematical expressions into words.

  18. Expression Word Phrases + –  a  or a 7 7 • a number plus 5 • add 5 to a number n + 5 • sum of a number and 5 • 5 more than a number • a number increased by 5 • a number minus11 • subtract 11 from a number – x11 • difference of a number and 11 • 11 less than a number • a number decreased by 11 • 3 times a number • 3 multiplied by a number 3m • product of 3 and a number • a number divided by 7 • 7 divided into a number • quotient of a number and 7

  19. Insert Lesson Title Here The county fair charges an admission of $6 and then charges $2 for each ride. Write an algebraic expression to represent the total cost after r rides at the fair. 6 + 2r

  20. Taylor orders a pizza for dinner. The 16 pieces need to be divided equally among p people. Write an algebraic expression that show how many pieces each person gets? 16  p Use your expression to solve the problem if she divides them equally among 4 people. 16  p , p=4 16  (4) 4 Each person gets 4 pieces.

  21. x 11 Lesson Quiz Write an algebraic expression for each word phrase. 1. 5 less than a number k 2. a number x divided by 11 3. 4times the sum of n and 5 Write an algebraic expression and used it to solve the problem. 4. Karen buys n raffle tickets for $0.50 each. If she buys 13 of them, how much will they cost? k – 5 4(n + 5) 0.50n; $6.50

  22. Bill’s Taxi Company charges $2 plus $0.35 for each minute. a. Write an expression for the cost of a taxi ride of m minutes long. b. How much will a 12 minute ride cost?

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