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Solve a Simpler Problem Strategy: Bake Sale Example

Practice solving problems by finding percentages of contributions in a bake sale scenario at Elmwood Middle School. Learn how to use the Solve a Simpler Problem Strategy by calculating a percentage of contributions and applying the method to determine the number of cookies received. Follow an example step-by-step to understand the concept better.

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Solve a Simpler Problem Strategy: Bake Sale Example

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  1. Splash Screen

  2. Five-Minute Check (over Lesson 7–6) Main Idea Example 1: Use the Solve a Simpler Problem Strategy Lesson Menu

  3. Solve problems by solving a simpler problem. Main Idea/Vocabulary

  4. Use the Solve a Simpler Problem Strategy BAKE SALEElmwood Middle School received 620 contributions for its bake sale. If 40% of the contributions were cookies, how many cookies did the school receive? Understand You know the school received 620 contributions, and 40% of them were cookies. You need to find the number of cookies the school received. Plan Solve a simpler problem by finding 10% of the number of contributions and then use the result to find 40% of the number of contributions. Example 1

  5. Solve Check Use the Solve a Simpler Problem Strategy 620 ÷ 10 = 62 contributions Since there are four 10% in 40%, multiply 62 by 4.62 × 4 = 248 Answer:So, the school received 248 cookies.  Example 1

  6. A B C D TALENT SHOW There were a total of 310 people who attended a talent show at Jefferson Middle School. If 70% of those who attended were adults, how many adults attended the talent show? A. 124 adults B. 217 adults C. 248 adults D. 279 adults Example 1

  7. End of the Lesson End of the Lesson

  8. Five-Minute Check (over Lesson 7–6) Image Bank Math Tools Animation Menu Probability and Area Resources

  9. 7-2Circle Graphs 7-8Estimating With Percents Animation Menu

  10. A B C D A.% B. % C.% D. % (over Lesson 7-6) In baseball, Tina had 3 hits in her last 10 times at bat. Based on Tina’s last 10 at bats, find the probability that Tina will get a hit the next time she is at bat. Write the answer as a fraction, a decimal, and a percent. Five Minute Check 1

  11. A B C D (over Lesson 7-6) In baseball, Tina had 3 hits in her last 10 times at bat. Suppose Tina is up to bat 30 times. About how many times will she get a hit, based on her last 10 at bats? A. 3 B. 7 C. 9 D. 10 Five Minute Check 2

  12. A B C D (over Lesson 7-6) The table shows the results of a survey of sixth-grade students in gym class. If there are 143 sixth graders in the school, how many can be expected to choose soccer as their favorite sport? A. 26 B. 28 C. 31 D. 34 Five Minute Check 3

  13. End of Custom Shows

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