1. 3-1 Prime FactorizationPrime Factorization 3-2 Greatest Common DivisorGreatest Common Divisor 3-3 Least Common MultipleLeast Common Multiple 3-4 Equivalent Fractions and Mixed NumbersEquivalent Fractions and Mixed Numbers 3-5 Equivalent Fractions and DecimalsEquivalent Fractions and Decimals 3-6 Comparing and Ordering Rational NumbersComparing and Ordering Rational NumbersPreview Lesson Quizzes

2. Lesson Quiz Tell whether each number is prime or composite. 1. 23 2. 393. 27 composite prime composite Write the prime factorization of each number. 4. 27 5. 36 6. 287. 132 8. 529. 108 2 2  3 2 3 2 2  7 2 2  3  11 2 2  13 2 2  3 3 3-1 Prime Factorization

3. Lesson Quiz Find the greatest common divisor (GCD). 1. 28, 40 2. 24, 56 3. 54, 994. 20, 35, 70 84 9 5 5. The math clubs from 3 schools agreed to a competition. Members from each club must be divided into teams, and teams from all clubs must be equally sized. What is the greatest number of members that can be on a team if Georgia has 16 members, Williams has 24 members, and Fulton has 72 members? 8 3-2 Greatest Common Divisor

4. Lesson Quiz Find the least common multiple (LCM). 1. 18, 21 3. 4, 6, 15 5. You are planning a picnic. You can purchase paper plates in packages of 30, paper napkins in packages of 50, and paper cups in packages of 20. What is the least number of each type of package that you can buy and have an equal number of each? 216 126 60 16 2. 24, 27 4. 4, 8, 16 10 packages of plates 6 packages of napkins 15 packages of cups 3-3 Least Common Multiple

5. Lesson Quiz 1. Write two fractions equivalent to. 2. Determine if and are equivalent. 3. Write the fraction in simplest form. 4. Write as a mixed number. 5. Write 4 as an improper fraction. 12 24 16 48 3737 31 7 1818 2 17 8 1313 no 1212 3636, 5 12 4 10 3-4 Equivalent Fractions and Mixed Numbers

6. Lesson Quiz Write each fraction as a decimal. 1. 3. 4. Write each decimal as a fraction in simplest form. 5. 0.42 7. If your soccer team wins 21 out of 30 games, what is your team’s winning rate? 2.625 3.2 21 50 69 8 16 5 2. 21 8 6. 8.625 0.70 7 10 11 20 0.55 0.7 5858 or 8 3-5 Equivalent Fractions and Decimals

7. Lesson Quiz Compare the fractions. Write > or <. 1. 2. Compare the decimals. Write. 3. 0.32 and 0.312 > 3737 and 4 10 5858 and 2323 < > 5656 0.8, 0.826, 5656 4. Order, 0.8, 0.826 from least to greatest. Graph the numbers on a number line. 0.80 0.81 0.82 0.83 0.84 0.85 0.8 0.826 5656 3-6 Comparing and Ordering Rational Numbers