Math problems

Verbal problems allow you to practice your knowledge of mathematics in problems of everyday life and school problems. Problems train understanding, translation into mathematical language (eg equations), solve it, check the accuracy and solution discussion.
Choose a topic you want to calculate and improve in.

From our database of math problems we offer:

  • To the cinema
    tree Jane at 8 am got message that all 1093 school pupils will go to the cinema. Within 20 min she said it to the three friends. Each of them again for 20 minutes said to the other three. In this way the message spread further. At what time all the children in.
  • Soda
    soda_water A pack of 12 sodas cost 5.04. What is the unit rate in dollars per soda?
  • Stairway
    schody Stairway has 20 steps. Each step has a length of 22 cm and a height of 15 cm. Calculate the length of the handrail of staircases if on the top and bottom exceeds 10 cm.
  • 2nd class combinations
    color_circle From how many elements you can create 1081 combinations of the second class?
  • Square 2
    square_ABCD_1 Points D[9,-1] and B[3,3] are opposed vertices of the square ABCD. Calculate area of the square ABCD.
  • Tripled square
    squares4_1 If you tripled the length of the sides of the square ABCD you increases its content by 200 cm2. How long is the side of the square ABCD?
  • Mine
    minetower Wheel in traction tower has a diameter 5 m. How many meters will perform an elevator cabin if wheel rotates in the same direction 10 times?
  • Ton's teeth
    teeth Calculate at what age homeless Anton will toothless. At age 40 has 27 teeth and each year next one tooth broke.
  • Postal stamps
    stamps Jano and Peter exchanged postal stamps. Jano gave Peter 32 stamps of the missile for 8 stamps with turtles. How good was Jano after this exchange (how many he has surplus in exchanged stamps)?
  • Assistant
    psaci-stroj Assistant rewrote 15% of the entire manuscript in 12 hours. How many hours must still write to rewrite the rest of the manuscript?
  • Pumps
    pool_pump The tank is filled with two pumps in 28 minutes. The first pump is filled in 59 minutes earlier than two one. How many minutes is filled with the first pump?
  • Circle sector
    vysec Circular sector with a central angle 10 ° has area 254 cm2. Calculate its radius r.
  • Two trains
    two-trains Two trains go at each other. First at speed 40 km/h and the second at speed 60 km/h. At what distance will be 30 minutes before they will meet?
  • Rectangle from string
    obdelnik String 12m. Make rectangle when one side is two times longer than its width.
  • Rotating cone
    kuzel_3 Calculate the volume and the surface area of a rotating cone of base radius r = 2.3 dm and a height h = 46 mm.
  • Cuboid box
    box How many m2 paper is needed for the sticking cuboid box of dimensions 50 cm, 40 cm and 30 cm? To the folds add one-tenth the area.
  • Cellar
    img1 Cellar for storing fruit has a rectangular base with sides 14 m and 7 meters. You should paint sidewall to 2 m. How m2 surface must be painted?
  • Garden
    garden_2 Father dig up the garden in 13 hours. Son in 18 hours. How many hours take dig up the garden together?
  • Fluid
    nadoby We have vessels containing 7 liters, 5 liters and 2 liters. Largest container is filled with fluid the others empty. Can you only by pouring get 5 liters and two 1 liter of fluid? How many pouring is needed?
  • Profitability
    zisk The purchase price of goods is 13000, the sales price is the 20000. What is the profitability as a percentage?

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