Multiplying & Dividing Decimals

A zoologist purchased a rectangular field for a new petting zoo in his home town.

 

·      The field is 1.6 miles long.

·      The field is 0.9 miles wide.

 

What is the area of the field purchased for the petting zoo?

• 0.144 square mile

• 1.44 square miles

• 14.4 square miles

• 144 square miles

Miquel has 3 liters of lemonade.  He is selling 0.15 liter glasses of lemonade.  How many glasses of lemonade will he be able to sell?

• 15

• 18

• 19

• 20

Lucas, Jose, and Oliver worked together to wash cars to earn money over the summer. 

 

·      They earned a total of $174.45. 

·      They used $36 of the money earned to buy cleaning supplies for washing cars.

·      They shared the rest of the money equally.

 

How much money did each boy receive?  

• $46.15

• $58.03

• $58.15

• $70.15

Rylie is buying 45 boxes of juice with 3.98 pints in each box.  About how many pints of juice is Rylie buying?  

• 250 pints

• 180 pints

• 150 pints

• 50 pints

Carlita has a jar with only quarters.  She counted the money in the jar and found that there was $9.  How many quarters does Carlita have?

• 27

• 32

• 35

• 36

Tyler planted a garden that is 7.84 meters by 5.5 meters.  He multiplied 784 x 55 to find the area of his garden.  He used estimation to decide where to place the decimal.  Which of the following shows where Tyler should place the decimal?

• 4,312 square meters

• 431.2 square meters

• 43.12 square meters

• 4.312 square meters

Brianne is planning a party for her friend.  She is ordering cupcakes from her favorite bakery.  She plans to order 10 peanut butter cupcakes with chocolate frosting for $1.75 each and 18 strawberry cupcakes with vanilla frosting for $1.50 each.  How much will she spend on cupcakes for the party?

• $17.50

• $27.00

• $44.50

• $49.00

David planted a small tomato garden that was 3.5 meters long and 0.8 meters wide.  

 

What is the area of David’s garden?

• 2.45 square meters

• 2.8 square meters

• 4.3 square meters

• 8.6 square meters

Bryson carried a stack of books that weighed 4 kilograms.  Each of the books in the stack weighed 0.2 kilograms.  How many books were in Bryson’s stack?

• 2

• 8

• 20

• 80

Kiesha bought 3 grid paper notebooks, 8 mechanical pencils, and a box of erasers at the store.

 

·      Grid paper notebooks cost $3.12 each.

·      Mechanical pencils cost $0.54 each.

·      A box of erasers costs $1.98.

 

How much money did Kiesha spend on school supplies?  

• $9.32

• $14.66

• $15.56

• $15.66