Arithmetic - math word problems

  1. Joshka
    money-false Joshka had € 15. Mama took him 15%. How many had left?
  2. Roses and tulips
    flowers_3 At the florist are 50 tulips and 5 times less roses. How many flowers are in flower shop?
  3. Compare:
    nevim.JPG What is bigger? ?
  4. Cube 6
    water_cube Surface area of one wall cube is 1600 cm square. How many liters of water can fit into the cube?
  5. Carpet
    kusovy-koberec What is the price of square carpet side length 3.25 m if one meter square cost 230 CZK?
  6. Lathe
    sustruh Calculate the percentage of waste if the cube with 53 cm long edge is lathed to cylinder with a maximum volume.
  7. Trapezoid
    hexphitri Area of trapezoid is 135 cm2. Sides a, c and height h are in a ratio 6:4:3. How long are a,c and h? Make calculation...
  8. Ratios
    circle Divide: a) 250 CZK in the ratio 2:3 b) 1000 CZK in the ratio 4:7:9
  9. Breeder
    slepice1 Seven hens breeder has supplied 350 eggs. How long can deliver, if each of its chickens can withstand at least 5 eggs for week?
  10. Katy
    shipment Kate paid for the package on delivery of four meters textile 688 CZK. What is the price of one meter textile when shipping and handling amounted to 48 CZK?
  11. King
    kral King had four sons. First inherit 1/2, second 1/4 , third 1/5 of property. What part of the property was left to the last of the brothers?
  12. Rhombus IV
    image005 Calculate the length of the diagonals of the rhombus, whose lengths are in the ratio 1: 2 and a rhombus side is 35 cm.
  13. Oceans
    oceans The Earth's surface is approximately 510,000,000 km2 and is 7/10 covered by oceans. Of which 1/2 covers the Pacific Ocean, the Atlantic Ocean 1/4, the Indian Ocean 1/5 and the Arctic Ocean 1/20. What parts of the Earth's surface cover each ocean?
  14. Flood water
    flooding Flood waters in some US village meant that the homes had to evacuate 364 people. 50 of them stayed at elementary schools, 59 them slept with their friends and others went to relatives. How many people have gone to relatives?
  15. Broken tree
    broken_tree The tree was 35 meters high. The tree broke at a height of 10 m above the ground. Top but does not fall off it refuted on the ground. How far from the base of the tree lay its peak?
  16. Salat
    sazenice-okurek Grandmother planted salad. In each row he planted 13 seedlings. After a morning frost many seedlings died. The first row five seedlings died. In the second row two seedlings died more than 1st row. In the third row three seedlings died less than 1st row.
  17. Nightingale
    slavik Nightingale sang five seconds for 5 hours and 5 minutes. How many seconds were missing to sing 10 hours?
  18. Imaginary numbers
    Complex_conjugate_picture.svg Find two imaginary numbers whose sum is a real number. How are the two imaginary numbers related? What is its sum?
  19. Cube 6
    cubes_20 Volume of the cube is 216 cm3, calculate its surface area.
  20. Tetrahedral prism
    hranol_1 The height of a regular tetrahedral prism is three times greater than the length of the base edge. Calculate the length of the base edge, if you know that the prism volume is 2187 cm3.

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