Addition
True or False. To add decimals, you do not have to line up the numbers by place value.
What is false?
True or False. You do have to line up the the numbers by place value when subtracting with decimals.
What is true?
True or False. You do have to line up the numbers by place value when multiplying with decimals.
What is false?
What is the value of 1,242 divided by 18?
Holly is displaying a postcard collection on a bulletin board that is 35 3/4 inches wide. Each postcard is 5 7/8 inches wide. Holly estimates that the number of postcards she can display in each row is 7. Is this the best estimate? Explain. (You must explain to get credit for the question)
What is no, Holly used the whole number part of each mixed number to estimate, 35 ÷ 5 = 7postcards. She should have estimated by rounding 3534 to 36 and 578 to 6; 36 ÷ 6 = 6. 6 postcards is a better estimate?
Find the sum of 11.439 + 19.27.
What is 30.709?
Find the difference between 9.12 and 3.74.
What is 5.38?
How many decimal places will be in the product of 12.43 x 4.567?
What is 5?
5/4 divided by 1 1/2 =
What is 1 2/13?
Which value of a would make the expression 5 1/3 divided by 4/a equivalent to a whole number?
What is 9?
Belinda and Jackie saved up $81.72 and $45.29 respectively to buy a gift for Father's Day. How much money in all have the sisters saved to buy a gift?
What is $127.01?
Allona needs d more dollars to buy a new scrapbook that costs $8.35. She has $4.88. How much more money does Allona need to buy the scrapbook?
What is $3.47?
Find the product of 19.21 x 3.7.
What is 71.077?
Russ has a car that averages 9.8 miles per gallon. Mike’s car averages 39.2 miles per gallon. How many times more miles per gallon does Mike’s car average than Russ’s car?
What is 4 times more miles per gallon?
Employees of a landscaping company built a retaining wall with area 2338 sq ft. They used brick to make the top portion of the wall.
What is the total height of the wall? Write an equation to represent your work.
What is 23 3/8 divided by 8 1/2 = 2 3/4?
Ashley has 3 bags of flour. She has two smaller bags with 0.75 kg of flour each and a bigger bag which has 1.14 kg. How much flour does she have in total?
What is 2.64 kg?
Angel spent $131.36 on groceries the week before Christmas. Her grocery bill during the week of Christmas amounted to only $54.97. How much more money did Angel spend on groceries the week before Christmas than the week of Christmas?
What is $76.39?
Chris and Jeff sold 15.5 pounds of trail mix. They sold the trail mix for $3.98 per pound. How much money did they collect?
What is $61.69?
What is the length of a rectangle with an area of 8 1/10 square feet and a width of 2 1/4 feet?
What is 3 3/5 feet?
A model train is 15 3/4 inches long. Each car in this train is 2 5/8 inches in length. How many cars are in the train?
What is 6 cars?
Lily ran 3.59 miles on Saturday as part of her cross country workout. On Sunday, she ran the same distance and then walked an additional 1.27 miles. How far did Lily exercise over the weekend?
What is 8.45 miles?
Nate had $1.75 more than his friend, Cole. Josh had $8.48 more than Cole. How much more money does Josh have than Nate?
What is $6.73?
Mary sold goldfish for $3.28 per fish and white cloud mountain minnows for $1.79 per fish. If Steve bought 15 goldfish and 12 minnows, what was his total purchase (without tax)?
What is $70.68?
Raven is making pillows. Each pillow requires 3/5 yard of fabric. Raven has 6 2/3 yards of fabric. Find the number of pillows Raven can make.
What is 11 pillows?
Employees of a landscaping company built a retaining wall with area 23 3/8 sq ft. They used brick to make the top portion of the wall.
Suppose the area of the brick portion of the wall is 15 7/12 sq. ft. What fraction of the wall is brick?
What is 15 7/12 divided by 23 3/8 = 2/3?