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Solving Word Problems Putting Your Translation Skills To Work.

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Presentation on theme: "Solving Word Problems Putting Your Translation Skills To Work."— Presentation transcript:

1 Solving Word Problems Putting Your Translation Skills To Work

2 Let’s Make A Plan Verbal Model Ask yourself what you need to know how to solve the problem. Labels This means define the variable Algebraic Model Write a math equation or inequality using your labels and verbal model Solve Check to make sure your solution makes sense

3 Let’s Try Together You and some friends are at a Chinese restaurant. You order several $2.00 plates of wontons, egg rolls, and dumplings. Your bill is $25.20, which includes tax of $1.20. Use modeling to find out how many plates you ordered. Start with a verbal model. What do you know about buying food in the restaurant and how you find your bill.

4 Verbal Model Cost of food + tax = amount paid How do you determine cost of food? Each plate costs $2.00 so # of plates  $2.00 = cost of food Final verbal model $2.00  # of plates + tax = amount paid

5 Labels X = number of plates you purchased 2 = amount paid per plate 1.20 = tax paid on food 25.20 = amount paid for food and tax

6 Algebraic Model Substitute the labels for the words in the verbal model $2.00  # of plates + tax = amount paid 2x + 1.20 = 25.20

7 Solve it and Check your answer 2x + 1.20 = 25.20 -1.20 - 1.20 2x = 24.00 2 2 x = 12.00 There were 12 plates of food ordered 2(12) + 1.20 = 25.20 ? 24 + 1.20 = 25.20 √

8 Pratice Workbook Page 17 Verbal Model $8 per hat has to equal $2480 Labels 8 = cost of one hat x = number of hats 2480 = amount they want to make Algebraic Model 8x = 2480 Solution x = 310 hats Check 8  310 = 2480 √

9 Practice 17 and 18 # 2 and 3

10 Where are we now? Vocab List is due on Friday during the test Test over all of chapter 1 will be Friday Tutoring available Tues – Fri at 8:15 AM Also Wednesday after school from 4:00 – 5:30 PM Don’t forget homework Pages 39 – 40 Walk or SUBWAY, Kudzu and Stereo Problems (#5-20)


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