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Mastering Equation Writing for Solving Story Problems

This guide provides a structured problem-solving method to tackle story problems using equations. It emphasizes five key steps: Ask (understand what you need to find), Brainstorm (identify variables), Choose (define the best representation), Demonstrate (set up and solve the equation), and Evaluate (verify the solution's reasonableness). The document includes practical examples, such as determining ages within a family, calculating dimensions of a rectangle, and solving for weights in a set of boxes. Ideal for students seeking mastery over translating story problems into mathematical equations.

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Mastering Equation Writing for Solving Story Problems

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  1. Section 3.6 Writing Equations for Story Problems

  2. 25 19 34 31 12 17 9 Add this list of numbers.(without a calculator, paper, or pencil.)

  3. Setting Up and Solving Story Problems Use the Problem Solving Method.

  4. Problem Solving Method Ask- Read the problem carefully to determine what you are trying to find. Brainstorm-What can we use a variable to represent? Choose- Find the best way to define the variables. Demonstrate- Set up the equation and solve the problem. Evaluate- Does your solution answer the problem? (and seem reasonable)

  5. Eighteen is fifteen less than the product of a number and three. What is the number?

  6. The perimeter of a rectangle is 44 feet. The length of the rectangle is 6 feet more than the width. What is the measure of the width?

  7. Beth’s mom is 6 times older than Beth. Beth’s dad is 7 years older than Beth’s mom. The sum of their ages is 72. How old are each of them?

  8. Three boxes have a total weight of 640 pounds. Box A weighs twice as much as Box B. Box C weighs 30 pounds more than Box A. How much do each of the boxes weigh?

  9. Homework Story Problems Worksheet 1

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