All operations with Decimals
Janet's goal was to run 4.4 miles during track practice. After forty minutes she had completed 2 1/2 miles. How many more miles did she need to run to reach her goal?
What is 1.9 miles?
The expanded notation of a rational number is shown below.
(6 x 100) + (8 x 1) + (4 x 0.01)
Which rational number is represent by the expression?
What is 608.04?
Terrance and his three friends earned $359 in August, $522 in July, and $420 in September selling lemonade. How much would they each earn if they divided their earnings equally?
L = (359 + 522 + 420) divided by 4
True or False
What is false?
The triangle has a perimeter of 563 mm. If two of the sides are each 211mm, what is the length of the 3rd side?
What is 141 mm?
Zeke took 20 dollars to the grocery store. If he spent $15.78 on groceries, how much money will Zeke have left?
What is $4.22?
Write an estimation for 7.50 x 9.5
What is 7 x 9 = 63
7 x 10 = 70
8 x 10 = 80
8 x 9 = 72
Each student in fifth grade needs a shirt for the fun run. Each shirt cost $3.25.
There are 38 girls in fifth grade.
There are 40 boys in fifth grade.
How much does it cost for every fifth grader to receive a shirt?
S = (38 + 40) x 3.25
Ashley found 2 boxes of sugar in the kitchen. The green box is 1.26 kg, and the red box is 1.026 kg. Which box contains more sugar?
What is 1.26 kg?
Free Space!!!
Free Space!!!
Ben traveled 184.8 miles on 12 gallons of gas. How many miles did the car travel per gallon?
What is 15.4 miles?
The expanded notation of a rational number is shown below.
(7 x 10) + (9 x 0.01)
Which rational number is represent by the expression?
What is 70.09?
Matthew paid for his movie tickets with a $20 bill. The ticket cost $10.95. Tax on the ticket was 1.52. How much change did Matthew receive?
C = 20 - (10.95 + 1.52)
Free Points!!!!
Free Points!!!!
Hugh orders a party banner for his son's birthday. The length and width of the banner are 72 inches and 23 inches respectively. What is the area of the party banner in square inches?
What is 1,656 square inches?
Milly earns $9.50 an hour mowing lawns. If she mows lawns for 5.5 hours, how much money will Milly earn?
What is $52.25?
What is the estimation for 67.5 x 3.4
What is 60 x 3 = 180
70 x 3 = 210
60 x 4 = 240
70 x 4 = 280
Alaina has a total of sixty dollars. She buys six water guns for $3 each and 7 pens for $5 each. How much money did Alaina have left?
M = 60 - (7 x 5 + 6 x 3)
M = 7
Jamie ran 1.643 miles. Melissa ran farther. How much could Melissa have run?
(a) 1.642 miles
(b) 1.65 miles
(c) 1.64 miles
(d) 1.6 miles
What is 1.65 miles?
A cargo container is 5 meters wide, 34 meters long and 6 meters tall. What is the volume of the cargo container?
What is 1,020 cubic meters?
Jimmy flew 276.4 meters on 16 liters of gas. How many meters did the rocket fly each liter?
What is 17.275 meters?
Write an estimation for (45 + 33) x 2.25
What is 40 + 30 = 70 x 2 = 140
50 + 30 = 80 x 2 = 160
45 + 30 = 75 x 2 =150
David had 245 baseball cards. He gave 37 of them to his friend. He put the rest of them in an album that holds 4 per page. Write an equation that represents p, the number of pages used.
p = (245 - 37) divided by 4
Landon 8.9 sec.
Denise 8.89 sec.
George 8.91 sec.
Brandy ?
If Brandy won the race, which of the following could be her time?
(a) 8.93 sec. (b) 8.92 sec. (c) 9 sec. (d) 8.87 sec.
What is (d) 8.87
The length of each side of a cubical wooden block is 9 inches. What is the volume of the block in cubic inches?
What is 729 cubic inches?