Add or subtract decimals
Multiply or divide decimals
Mixed decimal review
IAR bank
100

What is the difference of 6.7 and 3.42? 

3.28

100

What is the product of 5.1 and 4.12?

21.012

100

What is the sum of twenty eight and four hundreths and three and seven tenths?

31.74

100

33.8÷32.5=

1.04

200

What is the result of 31.978 subtracted from 66.4?

34.422

200

In Science, you are asked to evenly split 30.6mL of liquid into 9 different test tubes. How much liquid will be in each test tube?

3.4 mL

200

A snail moves at a speed of 2.3 inches per minute. If the snail keeps moving at this rate, ABOUT how many inches will it travel in 7.18 minutes?  How far actually?

ABOUT 14 inches 

16.514 inches actually

200

Suzanne purchased 3 DVDs for $15.75 each and 1 book for $11.98. What is the total amount Suzanne spent?

$59.23

300

When we traveled to Orlando, we stopped twice to fill the car up with gas. On the first stop, we pumped 69 gallons of gas. The second stop, we pumped 42.5 gallons of gas. How many gallons of gas did we pump on the way to Orlando?

111.5 gallons

300

Zach buys 3 gallons of yellow paint and 2 gallons of blue paint. If the yellow paint is $12.95 per gallon and the blue paint is $14.95 per gallon, how much does Zach spend on paint?

$68.75

300

Michael paid $11.48 for sliced cheese at the deli counter. The cheese cost $3.28 per pound. How much cheese did Michael buy?

3.5 pounds

300

Sonia has two packages of hamburger meat. The first package weighs 1.76 pounds and the second package weighs 2.29 pounds. She mixes the two packages together and forms hamburgers that weigh 0.25 pound each. What is the greatest number of 0.25-pound hamburgers Sonia can make using the hamburger meat she has?


16 hamburgers

400

The average daily temperature in December in Indianapolis is 38.8 degrees. The average daily temperature in December in Chicago is 3.61 degrees lower than in Indianapolis. What is the average daily temperature in Chicago in December?

35.19 degrees

400

Corrine bought 8.4 pounds of almonds. She divided them into 30 snack-size bags. How many pounds of almonds are in each bag?

0.28 pounds

400

Tortilla chips cost $0.79 per bag and salsa costs $1.28 per container. How much would it cost for 12 bags of tortilla chips and 20 containers of salsa?

$35.08 for all the groceries

400

Tracy bought 5 trays of plants for $105.

  • Each tray contained 12 plants.
  • Each plant cost the same amount.
  • Plants can be purchased individually.

How much more money will Tracy need to spend for 15 additional plants?


$26.25

500

A carpenter who is installing cabinets uses thin pieces of material called shims to fill gaps. The carpenter uses four shims to fill a gap that is 1.2 centimeters wide. Three of the shims are 0.75 centimeter, 0.125 centimeter, and 0.09 centimeter wide. What is the width of the fourth shim?

0.235 centimeters

500

Mrs. Sprinkle is making cookies for some friends. Each batch of cookies needs 0.4 cups of sugar, and each batch can make 16 cookies. If Mrs. Sprinkle is making 64 cookies, how much sugar does she need?

1.6 cups

500

Orlando earned $92.25 washing windows on the weekend. He worked 3.5 hours on Saturday and 6.75 hours on Sunday. If Orlando charges the same amount for every hour he works, how much does he earn per hour?

$9 per hour

500

A contractor had $3,285 to spend for doors and hammers. Doors cost $75 each. He bought the greatest number of doors that he could buy. He will use the money he has remaining to buy hammers that cost $15 each. What is the greatest number of hammers the contractor can buy with the money he has remaining?

A.  4

B.  5

C.  43

D.  60

A (or 4 hammers)