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:

  • Honza + Alice + Tonda
    minca Honza + Alice + Tonda have a total of 1480 USD. The ratio between Honza and Alena is 5:6 and the ratio between Alice and Tonda is 4:5 How many money have each of them?
  • Tent
    polygonal_pyramid Pyramid-shaped tent has a base square with a side length of 2 m and a height 1.7 m. How many meters of canvas is nneded to make it if for a waste should be added 10%?
  • Unknown number 5
    hyperbola_2 Daniel think an integer. When he change this number at a ratio of 2:5 he got number 2.8. Determine what number think Daniel.
  • Three-digit numbers
    poker_hand_ranking How many three-digit numbers are from the numbers 0 2 4 6 8 (with/without repetition)?
  • Hiker
    hiker Hiker went half of trip the first day, the third of trip the second day and remaines 13 km. How long trip he planned?
  • Permutations without repetition
    permutations_3 From how many elements we can create 720 permutations without repetition?
  • Count of triangles
    SquareTriangle Given a square ABCD and on each side 8 internal points. Determine the number of triangles with vertices at these points.
  • Profitability
    zisk The purchase price of goods is 13000, the sales price is the 20000. What is the profitability as a percentage?
  • Radians
    pi_text Convert 54° to radians. Write result as multiple of number π.
  • Parallelogram
    rovnobeznik.JPG Calculate the missing side of a parallelogram, if you know the perimeter o and one side: a) o = 7.2 cm; b = 1.8 cm b) o = 5.4 cm; a = 1.9 cm
  • Linear independence
    colinear_vectors Determine if vectors u=(3; -3) and v=(0; 3) are linear Linear dependent.
  • Q of GP
    geometric_1 Calculate quotient of geometric progression if a1=5 a a1+a2=12.
  • Average
    gaussian Average of 5 numbers is 135. What is its sum?
  • Triangle
    red_triangle For how many integer values of x can 8, 11 and x be the lengths of the sides of triangle?
  • Vinegar 2
    ocet How many percentage of getvinegar solution, if we mix to 14.5 liters of 7.8% and 2.5 liters of 5.8% vinegar?
  • Matches
    matches George poured out of the box matches and composing them triangles and no match was left. Then he tries squares, hexagons and octagons and no match was left. How many matches must be at least in the box?
  • Three-digit
    numbers_5 How many three-digit natural numbers is greater than 321 if no digit in number repeated?
  • Right triangle
    thales_2 Draw a right triangle ABC if |AB| = 5 cm |BC| = 3 cm, |AC| = 4 cm. Draw Thales circle above the hypotenuse of the triangle ABC.
  • Right triangle
    right_triangle Right triangle legs has lengths 313 dm and 236 mm. Calculate the area of this triangle.
  • Alcohol
    no_alcohol How many 46% alcohol we need to pour into 3 liters 63% alcohol to get p3% of the alcohol? How many 52% alcohol we get?

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