Time - 5th grade (10y) - examples

  1. Three cats
    three_cats If three cats eat three mice in three minutes, after which time 110 cats eat 110 mice?
  2. Cyclist
    cyclist_2 A cyclist passes 88 km in 4 hours. How many kilometers he pass in 8 hours?
  3. Monkey
    monkey Monkey fell in 31 m deep well. Every day her scramble 3 meters, at night dropped back by 2 m. On that day it gets hangover from the well?
  4. Holidays
    holidays Calculate how many hours take holidays, if take 1 weeks.
  5. Weeks
    calendar 55 weeks is equal to how many days?
  6. Greenhouses
    sklenik Two workers would make installation of greenhouses for 54 hours. For how many hours does the installation 9 workers?
  7. RBA
    ksu Regional Building Authority has an annual budget of EUR 1895050. In previous calendar year has processed 834 approval procedures. How much does an average of one building approval costs (eg unsuccessful revoke)?
  8. Christmas
    vianoce Calculate how much of the school year (202 days long) take Christmas holidays 16 days long. Expressed as a decimal number and as a percentage.
  9. Pension or fraud
    dochodca_icon Imagine that your entire working life working honestly and pay taxes and to Social Insurance (in Slovakia). You have a gross wage 910 Euros, you pay social insurance (you and your employer) monthly € 319 during 43 years and your retirement is 410 Eur.
  10. Clock
    clock2 What time is now, if the time elapsed after noon is 1/4 of time that elapses before midnight?
  11. Aircraft
    787 If an airplane flies 730 km/h for 2.2 h, how far does it travel?
  12. Cycling
    bicycle_rider Cyclist goes on a trip. First, drove 3 hours average speed 42 kilometers per hour, then slowed down and another 2 hours driving a speed 39 kilometers per hour. How many total kilometers cycling?
  13. Theatre
    divadlo Theatrical performance started at 17:25 and ended at 18:25. How many minutes long?
  14. Hours
    watch_1 How many hours is 5 days?
  15. Pedestrian and cyclist
    cyklisti2 Pedestrian out with a speed of 4 km/hour from city center and after 1hour and 10 minutes came after him cyclist at speed of 18 km/h. At how many minutes he catches up with pedestrian?
  16. Collective irresponsibility
    most_u_komoran At the Internet time is very uncomfortable for state that no more gaffe or waste is no longer possible to hush up as if people were at home with only two television channels censored. An example of the effectiveness of state can be Bridge at Komořany t
  17. Working time - shortening
    worker The media often speculates about the change (especially to shorten) the working time of the five-day eight-hour working week to another working model. Calculate how many hours a day the employee would have to work a day at 6-day work week if he must work t
  18. Car amortization
    carisma.JPG Assume that the car has a life 10 years and new cost 23000 euros. Calculate how much a month is amortized cost of the car over its lifetime. Amortization is the gradual reduction of assets (cars, buildings), mainly due using or aging.
  19. Clock
    1clock How many hours is 12 days?
  20. Wood
    rubanie_dreva Peter chops wood. If they cut down a half hours a day he ended work in 9 days. But Peter needs to end work 3 days earlier. How many minutes a day should cut down?

Do you have interesting mathematical example that you can't solve it? Enter it and we can try to solve it.

To this e-mail address we will reply solution; solved examples are also published here. Please enter e-mail correctly and check whether you don't have a full mailbox.