Challenge Exercises: Multiplying and Dividing Fractions and Mixed Numbers
Directions: Perform the necessary operation in each exercise below. Be sure to simplify your result, if necessary. Click once in an ANSWER BOX and type in your answer; then click ENTER. After you click ENTER, a message will appear in the RESULTS BOX to indicate whether your answer is correct or incorrect. To start over, click CLEAR.
Note: To write the fraction threefourths, enter 3/4 into the form. To write the mixed number four and twothirds, enter 4, a space, and then 2/3 into the form.
1. 
A candy bar is 9/15 of an inch long. If it is divided into pieces that are 1/5 of an inch long, then how many pieces is that? 



2. 
Justin gave 2/3 of his pizza to 8 friends who shared the pizza equally. What fraction of the original pizza did each friend get? 



3. 




4. 
Marcy’s garden is 3 and 4/5 meters long and 2 and 7/8 meters wide. What is the area of the garden? 



5. 




6. 
A chocolate bar is 11/12 of an inch long. If it is divided into pieces that are 5/8 of an inch long, then how many pieces is that? 



7. 
A painter had a trough with 22 liters of paint. If each bucket holds 2 and 3/4 liters, then how many buckets of paint can be poured from the trough? 



8. 




9. 
Frank has 8 and 2/3 feet of rope. If he divides the rope into pieces that are 1 and 4/9 feet long, then how many pieces of rope will he have? 



10. 
Cathy’s classroom has an area of 15 and 5/6 square feet. If the length is 8 and 3/4 feet, then what is the width of her classroom? 


