Add, Subtract, and Multiply Multi-Digit Decimals
Mateo is training to swim the 100-meter freestyle even in the Youth Olympic Games. During practice, he swims two laps. What is his total time for the two laps?
Lap 1: 24.138 seconds
Lap 2: 25.393 seconds
Mateo's total time is 49.531 seconds.
On Monday, a board game factory makes 25,650 game pieces. The game pieces are put into packages of 6 pieces each. How many packages of game pieces does the factory make on Monday.
The factory makes 4,275 packages of game pieces.
Noel cuts a string that is 4 feet long into pieces. Each piece is 1/6 foot long.
Noel cuts his string into 24 equal-size pieces
Ramona is making clay animals with her friends. She has 3/4lb of clay. She shares the clay equally among herself and 3 friends. How much clay does each person have?
3/16 lb of clay
Miyako is building a raised garden bed. The garden bed is a right rectangular prism with the dimensions shown. How many cubic feet of soil does Miyako need to fill the garden bed?
Length - 3 1/2 ft
Width - 2 1/4 ft
Height - 2 ft
Miyako needs 15 3/4 ft3 of soil.
How much greater is the mass of a dollar coin than the combined masses of a dime and a quarter?
Mass of U.S. Coins:
Penny: 2.5 g Nickel: 5 g Dime: 2.268 grams
Quarter: 5.67 g Half-Dollar: 11.34 g Dollar 8.1 g
The mass of a dollar coin is 0.162 grams greater than the combined masses of a dime and a quarter.
Find the quotient of 384 and 4.
Uma lives near a path that is 1/2 mile long. She wants to know how many times she needs to run the path in order to run 6/4 miles.
Uma needs to run the 1/2-mile path 3 times to run 6/4 miles.
Patrick uses layers of colored sand in an art project. He divides 2/3 lb of blue sand into equal parts in order to make 3 layers. What is the weight of the sand in each layer of blue sand?
The weight of the sand in each layer of blue sand is 2/9 lb.
Geraldo has a collection of baseballs. He keeps each baseball in a cube-shaped box with edges that are 1/3 ft long. Geraldo keeps the boxes in a rectangular bin, with the dimensions listed below. How many boxes can Geraldo keep in the bin?
Length: 2 1/3
Width: 1
Height 1 2/3
Geraldo can keep 105 boxes in the bin.
Jabari's cat has a mass of 4.2 kg. The cat needs 0.224 mg of medicine for each kilogram of its mass. What is the total amount of medicine the cat needs?
Jabari's cat needs 0.9408 mg of medicine.
A factory receives an order for 94,500 tennis balls for a major U.S. tournament. All the tennis balls are packed into cans. Three tennis balls are packed into each can. How many can of tennis balls does the factory pack for the order?
The factor packs 31,500 cans
Aiyana needs 3/8 pound of sweet potatoes for each serving of sweet potato fries. She wants to know how many servings of sweet potato fries she can make with 1 1/2 pound of sweet potatoes.
Aiyana can make 4 servings of sweet potato fries.
Andre is comparing the weights of his pets. His gerbil weighs 1/4 lb. His kitten weighs 7/8 lb. How many times the gerbil's weight is the kitten's weight?
The kitten's weight is 3 1/2 times the gerbil's weight.
A teacher stores number cubes in a rectangular box. The number cubes have edge lengths of 1.5 cm. The inside edge lengths of the box are 9 cm by 5.4 cm by 7.8 cm. What is the maximum number of cubes that can be stored in the box?
The maximum number of cubes is 90
Fiona earns $7.25 for each hour that she walks her neighbor's dog. This month, she walks the dog for a total of 4.5 h.
A. How much does Fiona earn this month?
B. How much does Fiona earn for 6 months?
C. How much does Fiona earn for the year?
A. Fiona earns $32.63 for the month
B. Fiona earns $195.78 for 6 months
C. Fiona earns $391.56 for the year.
Jason says that 1330/28 is equal to 47.14. Do you agree? Why or why not?
No. Jason wrote the remainder to the right of the decimal point in the quotient.
Michael has 12/8 cups of orange juice in a jar. He pours the juice into glasses each hold 3/4 cup. How many glasses can he fill?
Michael can fill 2 glasses.
Find the quotient:
(2/3) / (2/5)
5/3
Find the volume given the following dimensions:
l = 2 1/2 cm
w = 1/3 cm
h = 3 cm
2.5 centimeters
Rani's family walks the Lower trail three times. Elijah's family walks the Ridge trail one time and the Panther trail one time. Whose family walks farther? How much farther does that family walk?
Lower Trail: 2.225 km
Ridge Trail: 3.45 km
Panther trail: 3.375 km
Elijah's family walks 0.15 km farther than Rani's
A middle school has a bridge-building contest. Teams of students try to build the strongest bridge using craft sticks and glue. Each team is given 75 craft sticks. There are 1635 craft sticks available. Tell whether each statement is true or false.
A. There are enough craft sticks for 23 teams.
B. Suppose each teams is given 60 craft sticks, instead of 75. Then there will be enough craft sticks for 28 teams.
A. False
B. False
Mr. Diaz has 3/4 yard of ribbon to make badges for the science fair. He uses 1/8 yard of ribbon for each badge. How many badges can Mr. Diaz make?
Mr. Diaz can make 6 badges.
Estela has 10ft3 of soil. She uses 3 1/2 ft3 of the soil in her flower garden. She uses the rest of the soil for tomato plants. Estela needs 3/4 ft3 of soil for each tomato plant. How many tomato plants can she grow?
Hint: Round to the nearest whole number.
Estela can grow 8 tomato plants.
Dolores has a block of wax that is 2 1/2 in. long, 2 in. wide, and 4 1/2 in. high. She melts the wax and pours it into a candle mold. The mold is a right rectangular prism with a base area of 3 3/4 inches2. What is the height of the wax in the mold?
The height of the wax is 6 inches.