Rounding - math problems

Number of problems found: 170

  • Rounding to ones
  • Rounding to tens
  • Rounding to hundreds
  • Rounding to thousands
  • Rounding to two decimal places
  • Rounding to one decimal place
  • A diesel car
    fuel A diesel car costs $2599 more than an unleaded petrol car and travels an average of 25,000km per year. Diesel petrol has a consumption rate of 7.4L per 100km and costs $1.39 per litre. Unleaded petrol has a consumption rate of 8.5L per 100km and costs $1.
  • Cost structure
    factory_butter You are currently trying to decide between two cost structures for your business: one that has a greater proportion of short-term fixed costs and another that is more heavily weighted to variable costs. Estimated revenue and cost data for each alternative
  • Each of
    books Each of Suzan's notebooks is 4/5  inches wide. If she has 25 inches of space remaining on her bookshelf, how many notebooks will fit?
  • Language test
    test Your language test scores are 58, 68, 89 and 95. What is the lowest you can earn on the next test and still achieve an average of at least 79?
  • How many 14
    vaha How many 1/2 cup serving are in a package of cheese that contains 5 1/4 cups altogether?
  • Percentages 8
    percent What percent (%) is the amount of 12 from a base of 69? Round final result to two decimals.
  • Nelly’s
    juice Nelly’s mother also bought 3 1/3 pounds of strawberries to make strawberry smoothies. She estimates that she will need 1/9 of a pound of strawberries for each smoothie. How many smoothies can she make with the strawberries she bought?
  • A cook
    cookies A cook wants to make enough cookies for 159 students. The cookie recipe makes 1 1/4 dozen cookies. A dozen equals 12. How many batches does the cook need to make if each student gets one cookie?
  • Ms. DiSalvatore
    textiles Ms. DiSalvatore has 31 ½ feet of ribbon that she is going to use for a class project. Each student needs to have 1 ¾ feet of ribbon. How many students will she be able to give an equal amount of ribbon to?
  • Kate shares
    flasa Kate shares a 64-ounce bottle of apple cider with five friends. Each person's serving will be the same number of ounces. Between what two whole number of ounces will each person's serving to be? Explain using division.
  • Brian
    acylpyrin Brian divides 80 by 7. Between what two whole numbers is his answer?
  • Poisson distribution - daisies
    Poisson_distribution The meadow behind FLD was divided into 100 equally large parts. Subsequently, it was found that there were no daisies in ten of these parts. Estimate the total number of daisies in the meadow. Assume that daisies are randomly distributed in the meadow.
  • Dana helped
    sand Dana helped her dad build a sandbox for her younger sister. The sandbox is shaped like a rectangular prism that is 4 1/2 feet long and 4 feet wide. Dana used bags of sand to fill the sandbox 1/2 of a foot deep. Each bag contained 1/2 of a cubic foot of sa
  • Feed to hay
    luka How many tons of water do we have to dehydrate from 8 tons of feed, if the original moisture is 54 percent, to get hay with a moisture content of 15 percent? Round to two decimal places.
  • The conical roof
    strecha The conical roof above the warehouse has a diameter of the lower part (base) d = 11.2 m and a height v = 3.3 m. How many rectangular steel plates with dimensions of 1.4 m and 0.9 m were needed for the production of this roof, if the seams and waste requir
  • Mineral water
    flasa The bottle contains 1.5 liters of mineral water. Pour all the water from the bottle into empty cups with a volume of 1/3 l. All but one will be filled to the brim. What part of the volume of the last cup is filled with water?
  • Waste container eco
    box3 The waste box has the shape of a block with dimensions of 1.8 m, 1.5 m, 1.2 m. 0.25 m3 of waste is added to it every day. How many days will it be filled?
  • Jewelry factory
    diamonds In a jewelry factory, three assemblers make beaded necklaces.  Marcus can make 22 necklaces per hour all day long. Anita can make 25 necklaces for her first three hour of the days and then slow down to 16 necklaces for the rest of the day. Yara can make 2
  • Statues
    statues Diana is painting statues. She has 7/8 of a liter of paint remaining. Each statue requires 1/20 of a liter of paint. How many statues can she paint?
  • The volume 6
    sphere_Nickel The volume of a sphere is given by the formula 4/3 πr3 (or 4/3 *pi *r3) . The value of pi is approximately equal to 3.14. What is the volume of a sphere whose radius is 4 cm? (Round of the answer to the nearest hundredths. Type the value without the uni

Do you have an exciting math question or word problem that you can't solve? Ask a question or post a math problem, and we can try to solve it.



We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active competitions such as Mathematical Olympiad, correspondence seminars etc...



Do you want to round the number?