Lesson Menu Five-Minute Check (over Lesson 5–5) Main Idea and Vocabulary Example 1:Estimate Percents of Numbers Example 2:Estimate Percents of Numbers Example 3:Estimate Percents of Numbers Example 4:Real-World Example Example 5:Estimate Percents Example 6:Estimate Percents Example 7:Estimate Percents

Main Idea/Vocabulary compatible numbers Estimate by using equivalent fractions and percents.

Example 1 Estimate Percents of Numbers Estimate 48% of 70. Answer: So, 48% of 70 is about and 70 are compatible numbers. Interactive Lab: Estimating Percent

1.A 2.B 3.C 4.D Example 1 A.about 25 B.about 30 C.about 36 D.about 40 Estimate 51% of 60.

Example 2 Estimate Percents of Numbers Estimate 12% of 81. Answer: So, 12% of 81 is about 10.

1.A 2.B 3.C 4.D Example 2 A.about 12 B.about 15 C.about 20 D.about 22 Estimate 34% of 59.

Example 3 Estimate 23% of 82. Answer: 23% of 82 is about 20. Estimate Percents of Numbers

1.A 2.B 3.C 4.D Example 3 Estimate 25% of 33. A.about 5 B.about 6 C.about 7 D.about 8

Example 4 POPULATION About 9% of the population of Texas lives in the city of Houston. If there are about 22 million people in the state of Texas, estimate the population of Houston. Answer: So, the population of Houston is about 2.2 million. 9% is about 10%. = 2.2 million

1.A 2.B 3.C 4.D Example 4 A.about 0.17 million B.about 1.2 million C.about 1.7 million D.about 3.4 million LEFT-HANDEDNESS About 11% of the population is left-handed. If there are about 17 million people in Florida, about how many Florida residents are left-handed?

Example 5 Estimate 12 out of 47 as a percent. Answer: So, 12 out of 47 is about 25%. Estimate Percents

1.A 2.B 3.C 4.D Example 5 Estimate 15 out of 76 as a percent. A.about 20% B.about 25% C.about 30% D.

Example 6 Estimate 41 out of 200 as a percent. Answer: So, 41 out of 200 is about 20%. Estimate Percents

1.A 2.B 3.C 4.D Example 6 A.about 10% B.about 25% C.about 40% D.about 50% Estimate 58 out of 121 as a percent.

Example 7 Estimate 58 out of 71 as a percent. 58 is about 60, and 71 is about 72. Estimate Percents Answer:

1.A 2.B 3.C 4.D Example 7 Estimate 14 out of 47 as a percent. A.about 25% B. C. D.about 40%

1.A 2.B 3.C Five Minute Check 1 (over Lesson 5-5) A.1.5 hours B.2.5 hours C.3.5 hours Determine a reasonable answer. Ming estimates that she spends 20% of her 8-hour school day in the computer lab. Does she spend approximately 1.5, 2.5, or 3.5 hours in the lab?

1.A 2.B 3.C Five Minute Check 2 (over Lesson 5-5) A.360 miles B.490 miles C.580 miles Determine a reasonable answer. The Suarez Family is going on a 1,015 mile journey across Europe. If they have completed 48% of their journey, about how many miles have they traveled: 360, 490, or 580 miles?

1.A 2.B 3.C Five Minute Check 3 (over Lesson 5-5) A.$190 B.$250 C.$315 Determine a reasonable answer. Every month, Michelle goes to the bank and deposits 15% of her weekly paycheck into her savings account. If her paychecks are approximately $175 every week, how much money will be in her savings account after 12 weeks: $190, $250, or $315?

1.A 2.B 3.C 4.D Five Minute Check 4 A.$33 B.$42 C.$50 D.$58 A car rental company charges a flat rate of $ to rent a car for a week. If three friends decided to split the cost of the car evenly, about how much will each of them pay? (over Lesson 5-5)

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