Rounding - examples
- Rounding to ones
- Rounding to tens
- Rounding to hundreds
- Rounding to thousands
- Rounding to two decimal places
- Rounding to one decimal place
- Homeless Dezider
Homeless Dežko has 13 coins in jacket: Calculate the value of its assets and calculate how many bottles of wine for 0.55 EUR can he buy.
- Valid number
Round the 466514544 on 2 significant numbers.
When is in 13 barrels 143 liters of water, how many liters barrels of 9 liters I need to get all the water from the larger barrels?
- Civil protection
Students on civil protection exercise went 5800 m long trip. How many kilometers is it approximately?
Double round number 884, first to tens, then to hundreds. (double rounding)
Write time in minutes rounded to one decimal place: 1 h 42 m 22 s.
- Rounding 2
Round the following negative number: -151.918
Mr. Radoslav calculated that excavation for a water connection dig for 10 days. His friend would take 7 days. Radoslav worked 3 days alone. Then his friend came to help and started on the other end. On what day since the beginning of excavation they met?
- To thousands
Round to thousands following numbers:
Calculate how many years has man lived for 32974 days?
Mom said that Suzan save about 100 EUR (rounded to tens). How many euros she could at least save (minimum)?
The board is 20 yogurts. How many boards of yogurts must be ordered for 794 people in the canteen?
Calculate how many average minutes a year is the web server is unavailable, the availability is 99.99%.
- Report card
Ivor hit 1× grade 5 at the beginning of the school year. How many times must now catch grade 1 to get grade 2 on report card?
There is 28 students in a class. From mathematics was'nt worse mark than 2. Average mark in mathematics was 1.4643. How many students have mark 1 and how many mark 2?
- Salary raise
Monthly salary was 2167 Eur. During the year it was raised to 2364 Eur. Calculate the month from salary was increased that employee earned 27186 Eur during whole year.
- Round it
0.9167 round to units, tenths, hundredths.
From one ton of coal is produced 726 kg of coke for iron production. How many wagons of coal by 14 tonnes per day is needed for the blast furnace, which has a daily consumption of 693 tons of coke?
- Sum and rounding
I know two numbers whose sum is 20. When they each round and then added together I get the 30. What are this numbers?
Room is 26.2 m long, 23.4 dm wide and 628 cm high. How many people can simultaneously be in this room if for hygiene reasons is calculated 5100 dm3 of air per person?