Click Name Name Date Here Date Class Class Practice C LESSON 4-7 Mixed Numbers and Improper Fractions Write each mixed number as an improper fraction. 5 2 1. 2!5! 3 2. 1!1! 0 5 3. 6!4! 9 2 4. 2!9! 5. 14!3! 6. 2!11! Write each improper fraction as a mixed number or whole number. Tell whether your answer is a mixed number or whole number. 161 7. !7! 225 10. !9! 73 8. !4! 52 9. !9! 23 4 11. !11! 127 ! 12. ! 12 Replace each shape with a number that will make the equation correct. 2 93 13. ▲!7! ! !♦! ▲ 647 ! ! !! 16. 43!15 ♦ 3 67 14. ▲!8! ! !♦! ▲ 124 17. 13!9! ! !♦! 4 64 15. ▲!5! ! !♦! ▲ 113 18. 14 !8! ! !♦! 19. Amy made a video that is 5,400 seconds long. What is the video’s running time in hours and minutes? 20. Justin accidentally erased the numerator of the fraction part of a mixed number. He knows that its whole number part is 45 and the denominator of the fraction part is 9. He also knows that when the mixed number is written as an improper fraction, its numerator is 412. What is the numerator that Justin erased? Copyright © by Holt, Rinehart and Winston. All rights reserved. 68 Holt Middle School Math Course 1 Practice A 4-7 Mixed Numbers and Improper Fractions Exploration Recording Sheet 4-7 Mixed Numbers and Improper Fractions LESSON LESSON Determine whether each fraction is proper or improper. An improper fraction is equal to or greater than 1. The model shows 7 4 3 3 that !4! ! !4! " !4! ! 1 " !4!. 1 4 1 1. !4! 1 4 1 4 1 4 1 4 1 4 7 4 1 4 9 4. !3! 1 3 3 The mixed number 1!4! ! 1 " !4!. 1 3 1 6 7 2. !6! 1 3 1 1 6 1 6 1 3 1 6 2 5. !3! improper 1 1 4 1 3 1 6 1 6 1 4 1 3 2 1 1!3! 1 6 1 4 1 4 5 !! 4 2 4 4 4 2 4 1 2 6 4 5 !! 3 4 15. !3! 7 !! 3 5 16. !2! 1 1!3!; mixed number 2; whole number 1 2!2!; mixed number 4 4 12. 2 !3! 6 14. !3! 4; whole number 1 1!2! 1 6 4 5 !! 2 1 11. 1!3! 13. !1! 1 4 1 Write each improper fraction as a mixed number or whole number. Tell whether your answer is a mixed number or whole number. 1 Think and Discuss 6 improper 9. 2!2! 4 !! 3 2 10. 1!4! 1!6! 11 4. Explain why !4! ! 1!2!. proper 8. 1!3! 3 !! 2 4 1 4 improper 6 6. !2! 1 7. 1!2! 11 6 3. !4! 7 3. !4! proper Write each mixed number as an improper fraction. For each improper fraction, complete the model and write the improper fraction as a mixed number. 5 1. !3! 3 2. !4! proper 7 17. !5! 3 18. !2! 2 1!5!; mixed number 1 1!2!; mixed number 12 1 2 Possible answer: !! ! !! " !!; !! ! 1 and !! is the same as !! so !! ! 1!!. 19. Mickey timed her speech at !5! minutes. She cannot go over 2 minutes. Should she add more to her speech, or cut some lines? Explain. 12 5 5. Discuss a situation in which improper fractions are used. 2 5 She should cut some lines because !! ! 2!! minutes, Possible answer: Measuring snow or rainfall amounts which is longer than 2 minutes. 1 20. In a frog-jumping contest, Jim’s frog hopped 2!3! feet. 2 7 Matthew’s frog hopped 1!3! feet. Whose frog hopped !3! feet? Jim’s frog 65 Copyright © by Holt, Rinehart and Winston. All rights reserved. Holt Middle School Math Course 1 Practice B 4-7 Mixed Numbers and Improper Fractions LESSON Write each mixed number as an improper fraction. 1 1 7 !! 2 3 4. 1!7! 3 7. 2!5! 2. 2!3! 3 10 !! 7 13 !! 5 5. 3!4! 5 8. 3!6! Write each mixed number as an improper fraction. 1 3. 5!4! 7 !! 3 1 9. 7!3! 23 !! 6 17 2 5!3!; mixed number 33 ! 13. !10 3 3!1! ; mixed number 0 104 16. !8! 13; whole number 40 11. !8! 5 13 !! 3 50 14. !8! 1 6!4!; mixed number 121 17. !6! 1 20!6!; mixed number 23 !! 9 27 !! 4 9 2 5. 14!3! 161 7. !7! 6. 2!11! 44 !! 3 73 8. !4! 225 31 !! 11 6 83 15. !9! 2 9!9!; mixed number 78 18. !11! 1 7!1! ; mixed number 1 25; whole number 7 5!9!; mixed number 23 4 11. !11! 10. !9! 6!7!; mixed number 52 9. !9! 1 18!4!; mixed number 23; whole number 19. The hotel ordered an extra-long rug for a hallway that is 123 !! feet long. What is the rug’s length in feet and inches? 2 Remember, 1 foot ! 12 inches. 127 ! 12. ! 12 3 21!1! ; mixed number 1 7 10!1! ; mixed number 2 Replace each shape with a number that will make the equation correct. 2 93 3 13. ▲!7! ! !♦! 13; 7 ▲ 67 14. ▲!8! ! !♦! 8; 8 647 ▲ ! ! !! 16. 43! 15 ♦ 124 17. 13!9! ! !♦! 2; 15 7; 9 4 64 15. ▲!5! ! !♦! 12; 5 ▲ 113 18. 14 !8! ! !♦! 1; 8 19. Amy made a video that is 5,400 seconds long. What is the video’s running time in hours and minutes? 1 hour and 30 minutes 61 feet and 6 inches 20. Justin accidentally erased the numerator of the fraction part of a mixed number. He knows that its whole number part is 45 and the denominator of the fraction part is 9. He also knows that when the mixed number is written as an improper fraction, its numerator is 412. What is the numerator that Justin erased? 20. During this year’s football-throwing contest, John threw the ball 2 153 49!3! feet. Sharon threw the ball 51 feet. Who threw the ball !3! feet? Sharon Copyright © by Holt, Rinehart and Winston. All rights reserved. 3 3. 6!4! 15 !! 10 Write each improper fraction as a mixed number or whole number. Tell whether your answer is a mixed number or whole number. 22 !! 3 48 12. !7! 5; whole number 2. 1!1! 0 12 !! 5 4. 2!9! Write each improper fraction as a mixed number or whole number. Tell whether your answer is a mixed number or whole number. 10. !3! 5 2 1. 2!5! 21 !! 4 1 6. 4!3! 15 !! 4 Holt Middle School Math Course 1 Practice C 4-7 Mixed Numbers and Improper Fractions LESSON 1. 3!2! 66 Copyright © by Holt, Rinehart and Winston. All rights reserved. 7 67 Copyright © by Holt, Rinehart and Winston. All rights reserved. Holt Middle School Math Course 1 Copyright © by Holt, Rinehart and Winston. All rights reserved. 116 68 Holt Middle School Math Course 1 Holt Middle School Math Course 1