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Transparency 1. Click the mouse button or press the Space Bar to display the answers. Splash Screen. Lesson 1 Contents. Objective. Solve problems using the 4-step plan. Lesson 1 Contents. 4-Step Plan. Explore. * Read the problem carefully. * What facts do you know?.

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  1. Transparency 1 Click the mouse button or press the Space Bar to display the answers.

  2. Splash Screen

  3. Lesson 1 Contents Objective Solve problems using the 4-step plan

  4. Lesson 1 Contents 4-Step Plan • Explore * Read the problem carefully * What facts do you know? * What do you need to find out? * Is enough information given? * Is there extra information?

  5. Lesson 1 Contents 4-Step Plan 2. Plan * How do facts relate to each other? * Plan a strategy for solving the problem * Estimate the answer Note: Often the word “about” is used instead of estimate

  6. Lesson 1 Contents 4-Step Plan 3. Solve * Use your plan to solve the problem * If your plan does not work, make a new plan * What is the solution?

  7. Lesson 1 Contents 4-Step Plan 4. Examine * Reread the problem * Does the answer fit the facts in the problem? * Does the answer make sense? Note: If the answer does not fit the facts or make sense use a different plan

  8. Lesson 1 Contents 4-Step Plan Important Note: Numbers do not always appear in the order in which they should be included in the equation to solve the problem

  9. Lesson 1 Contents Key Words & Phrases in Math

  10. Lesson 1 Contents Example 1Use the Problem-Solving Plan

  11. Example 1-1a MONEYAfter shopping at the mall, you came home with $3. You spent $4 on candy, $8 on a movie, and $5 on arcade games. How much money did you start with? Explore Read the problem carefully What facts do we know? Came home with $3 Spent $4 on candy Spent $8 on a movie Spent $5 on arcade games 1/1

  12. Example 1-1a MONEYAfter shopping at the mall, you came home with $3. You spent $4 on candy, $8 on a movie, and $5 on arcade games. How much money did you start with? Explore Read the problem carefully What do we need to find out? How much money did you start with? 1/1

  13. Example 1-1a MONEYAfter shopping at the mall, you came home with $3. You spent $4 on candy, $8 on a movie, and $5 on arcade games. How much money did you start with? Explore Read the problem carefully Is there enough information to solve the problem? Is there extra information? 1/1

  14. Example 1-1a MONEYAfter shopping at the mall, you came home with $3. You spent $4 on candy, $8 on a movie, and $5 on arcade games. How much money did you start with? Plan How do the facts relate to each other? Spent $ Have $ $4 $3 $8 $5 1/1

  15. Example 1-1a MONEYAfter shopping at the mall, you came home with $3. You spent $4 on candy, $8 on a movie, and $5 on arcade games. How much money did you start with? Plan How are we going to solve the problem? Spent $ Have $ $4 $3 $8 $5 Add what you have to what you spent 1/1

  16. Example 1-1a MONEYAfter shopping at the mall, you came home with $3. You spent $4 on candy, $8 on a movie, and $5 on arcade games. How much money did you start with? Plan Let’s estimate our answer Have $ Spent $ $4 $3 $8 $5 3 + 8 is about 10 4 + 5 is about 10 And 10 + 10 is about 20 1/1

  17. Example 1-1b Solve Use your plan to add what you have to what you spent $ Started With = $3 + $4 + $8 + $5 $ Started With = $20 Examine Is the answer reasonable? Does the answer fit the facts given? Does the answer make sense? Answer: $20 1/1

  18. Example 1-1c * HOCKEYDuring the regular season, David scored 18 more goals than Bobby. Bobby scored 14 goals. How many goals did David score during the regular season? Answer: 32 goals 1/1

  19. End of Lesson 1 Assignment

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