Splash Screen. Lesson Menu Five-Minute Check (over Lesson 8–6) Main Idea and Vocabulary Example 1:Predict Using Percent Proportion Example 2:Predict Using.

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Presentation transcript:

Splash Screen

Lesson Menu Five-Minute Check (over Lesson 8–6) Main Idea and Vocabulary Example 1:Predict Using Percent Proportion Example 2:Predict Using Percent Equation

Main Idea/Vocabulary survey population Predict actions of a larger group by using a sample.

Example 1 PETS The table shows the results of a survey in which people were asked whether their house pets watch television. There are 540 students at McCloskey Middle School who own pets. Predict how many of them would say their pets watch TV.

Example 1 You can use the percent proportion and the survey results to predict the number of people who would say their pets watch TV. Answer: About 205 students would say their pets watch TV. Simplify. Cross products entire population part of the population

1.A 2.B 3.C 4.D Example 1 A.about 12 students B.about 32 students C.about 83 students D.about 228 students VIDEO GAMES In a survey of middle school students, 32% responded that playing video games was their favorite after-school activity. Predict how many of the 260 students surveyed said that playing video games was their favorite after-school activity.

Example 2 SUMMER JOBS According to one survey, 25% of high school students reported they would not get summer jobs. Predict how many of the 948 students at Mohawk High School will not get summer jobs. You need to predict how many of the 948 students will not get summer jobs.

Example 2 n=0.25 ● 948Write the percent equation. n=237Multiply. WordsWhat number is 25% of 948? VariableLet n represent the number. Equationn = 0.25 ● 948

Example 2 Answer: You could predict that about 237 of the students at Mohawk High School will not get summer jobs.

1.A 2.B 3.C 4.D Example 2 A.about 163 employees B.about 275 employees C.about 310 employees D.about 362 employees SEASONS According to one survey, 31% of adults consider spring to be their favorite season of the year. Predict how many of the 525 employees of a large corporation would respond that spring is their favorite season of the year.

End of the Lesson

Resources Five-Minute Check (over Lesson 8–6) Image Bank Math Tools Line Plots

1.A 2.B 3.C 4.D Five Minute Check 1 The table shows the population for the town of Cedar Creek from 1990 to Which choice shows a line graph for the set of data? A. B. C. D. (over Lesson 8-6)

1.A 2.B 3.C 4.D Five Minute Check 2 A.2010 B.2008 C.2005 D.2002 The table shows the population for the town of Cedar Creek from 1990 to Predict in what year the population of Cedar Creek will exceed 1,500. (over Lesson 8-6)

1.A 2.B 3.C 4.D Five Minute Check 3 A.population is increasing B.population is decreasing C.population is constant throughout D.population is increasing and decreasing The table shows the population for the town of Cedar Creek from 1990 to What trend can be observed about the population of Cedar Creek? (over Lesson 8-6)

1.A 2.B 3.C 4.D Five Minute Check 4 (over Lesson 8-6) A.frequency chart B.scatter plot C.line graph D.tally marks If Mike timed how fast he ran home after school every day, which of the following could he use to see if he had improved over time?

End of Custom Shows