1. 6-1 Introduction to PercentsIntroduction to Percents 6-2 Fractions, Decimals, and PercentsFractions, Decimals, and Percents 6-3 Estimating with PercentsEstimating with Percents 6-4 Percent of a NumberPercent of a Number 6-5 Solving Percent ProblemsSolving Percent Problems 6-6 Percent of ChangePercent of Change 6-7 Simple InterestSimple InterestPreview Lesson Quizzes

2. Lesson Quiz 36%1. Write the percent modeled by the grid. 2. Write 92% as a fraction in simplest form. 23 25 3. Write 16.4% as a decimal.0.164 6-1 Introduction to Percents

3. Lesson Quiz 60% 1. Write 0.65 as a percent. 2. Write as a percent. 6 10 65% 45% 3. If 36 out of 80 people surveyed have been on a boat, what percent of these people have been on a boat? 6-2 Fractions, Decimals, and Percents

4. Lesson Quiz 1. Use a fraction to estimate 48% of 72. 2. A café is offering 10% off the $4.99 lunch. If a diner is offering the same lunch for $4.59, which is offering the better deal? Use 1% or 10% to estimate the percent of each number. 3. 4% of 220 4. 19% of 75 5. Mr. and Mrs. Dargen spend $46.25 on a meal. About how much should they leave for a 15% tip? the café 36 8.8 15 $7 Possible answers: 6-3 Estimating with Percents

5. Lesson Quiz Find the percent of each number. 1. 25% of 8 2. 40% of 110 Find the percent of each number. Check whether your answer is reasonable. 3. 150% of 96 4. 0.3% of 120 5. Whitmer Middle School has 850 students. If 42% of the students bought lunch on Monday, how many student bought lunch on Monday? 44 2 144 0.36 357 6-4 Percent of a Number

6. Lesson Quiz Solve. 1. 21 is 42% of what number? 2. What percent of 292 is 73? 3. 112% of what number is 84? 4. What percent of 1,340 is 13.4? 5. An ad features a bicycle on sale for $139. If the total cost of the bike is $147.34, what is the sales tax rate? 25% 50 75 1% 6% 6-5 Solving Percent Problems

7. Lesson Quiz Find each percent of change. 1. 10 is increased to 12. 2. 25 is increased to 45. 3. 10 is decreased to 1. 4. The regular price of a coat is $120. It is on sale for 25% off. What is the sale price? 5. A backpack that sells for $42 is on sale for 25% off. Find the sale price. 80% 20% 90% $90 $31.50 6-6 Percent of Change

8. Lesson Quiz Find each missing value. 1. I = 2. I = $18, P = $150, r = 3. I = $640, P = 4. I = $120, P = $600, r = 5% t = 6% $240 $2,000 4 years, P = $800, r = 10%, t = 3 years, t = 2 years, r = 4%, t = 8 years 5. Dennis deposits $6,000 in an account that earns 5.5% simple interest. How long will it take before the total amount is $8,000? a little over 6 years 6-7 Simple Interest