156 Chapter 2 Fractions and Mixed Numbers: Multiplication and Division Chapter 2 Review Exercises Section 2.1 For Exercises 1 and 2, write a fraction that represents the shaded area. 1. 2. 3. a. Write a fraction that has denominator 3 and numerator 5. b. Label this fraction as proper or improper. 4. a. Write a fraction that has numerator 1 and denominator 6. b. Label this fraction as proper or improper. 5. In an office supply store, 7 of the 15 computers displayed are laptops. Write a fraction representing the computers that are laptops. For Exercises 6 and 7, write a fraction and a mixed number that represent the shaded area. 6. 7. For Exercises 8 and 9, convert the mixed number to a fraction. 8. 9. 11 10. How many fourths are in ? For Exercises 11 and 12, convert the improper fraction to a mixed number. 11. 12. 23 21 47 9 414 2 5 6 1 7 0 1 For Exercises 13–15, locate the numbers on the number line. 13. 14. 15. For Exercises 16 and 17, divide.Write the answer as a mixed number. 16. 7941 17. 261582 Section 2.2 For Exercises 18–20, refer to this list of numbers: 21, 43, 51, 55, 58, 124, 140, 260, 1200. 18. List all the numbers that are divisible by 3. 19. List all the numbers that are divisible by 5. 20. List all the numbers that are divisible by 2. For Exercises 21–24, determine if the number is prime, composite, or neither. 21. 61 22. 44 23. 1 24. 0 For Exercises 25–27, find the prime factorization. 25. 64 26. 330 27. 900 For Exercises 28 and 29, list all the factors of the number. 28. 48 29. 80 Section 2.3 For Exercises 30 and 31, determine if the fractions are equivalent. Fill in the blank with or . 30. 31. 10 14 15 21 5 9 3 6 Z 13 8 7 8 10 5 0 1 2 3 4
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