Arithmetic - math word problems

  1. One half
    one_half One half of ? is: ?
  2. Wire
    cu_wire One pull of wire is reduced its diameter by 14%. What will be diameter of wire with diameter 19 mm over 10 pulls?
  3. Estate
    mapa Estate shaped rectangular trapezoid has bases long 34 m , 63 m and perpendicular arm 37 m. Calculate how long is its fence.
  4. Divisibility
    nice_circles Determine all divisors of number 84.
  5. Compare
    compare Compare with characters >, <, =: 85.57 ? 80.83
  6. Cube
    1cube Calculate the surface cube with edge 11 dm.
  7. Hole
    vykop They fill shape hole with dimensions 2.9 m, 17 m, 15.2 m with 97 m3 of soil. How many percent it fill up?
  8. Cubic
    natural_gas Convert 660 m3 of natural gas volume to energy units kWh. Combustion of 1 cubic meter of natural gas is released energy 10.55 kWh.
  9. Product
    floring The product of two consecutive odd numbers is 8463. What are this numbers?
  10. Angle
    os_uhla Draw angle |∠ ABC| = 130° and built its axis. What angle is between axis angle and arm of angle?
  11. Triangle
    triangles Prove whether you can construct a triangle ABC, if a=9 cm, b=6 cm, c=10 cm.
  12. School
    trieda 27 students of 6.D class is going to a trip. They pay 9 € each. The teacher got 153 €. How many children have not paid?
  13. Circles 2
    zlozite_kruznice Calculate the area bounded by the circumscribed and inscribed circle in triangle with sides 12 cm, 14 cm, 18 cm.
  14. Shots
    broky 5500 lead shots with diameter 4 mm is decanted into a ball. What is it diameter?
  15. Sphere
    1sphere The surface of the sphere is 12100 cm2, and the weight is 136 kg. What is its density?
  16. Is equal
    Shazam Is equal following terms? ?
  17. Bureau of Labor
    UPSVAR Bureau of Labor is a state institution that provides mike and the rest for their so-called clients. The mission of the Bureau of Labor is spend taxpayer money to provide relaxation and benefits to those who do not want to work. Popularly speaking sense th
  18. Powers
    math_fun Is true for any number a,b,c equality:? ?
  19. Biquadratic
    bikvadraticka By introducing a new variable solve biquadratic equation: ?
  20. Binomials
    two_persons To binomial ? add a number to the resulting trinomial be square of binomial.

Do you have an interesting mathematical word problem that you can't solve it? Submit 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...