Examples for 6th grade (the sixth graders) - page 28

  1. Magic belt
    opasok The magic rectangular belt has the property that whenever its owner wants something, the length of the belt is reduced to 1/2 and the width to 1/3. After three such wishes, the belt had a content area 4 cm2. What was its original length if the original wid
  2. Trams
    trams Tram no. 3,7,10,11 rode together from the depot at 5am. Tram No. 3 returns after 2 hours, tram No. 7 an hour and half, no. 10 in 45 minutes and no. 11 in 30 minutes. For how many minutes and when these trams meet again?
  3. Jan and Dan
    skolske-zosity Jan and Dan had the same money. Jan bought 5 workbooks and left him 15 CZK. Dan 6 and left him nothing. How much money have in total?
  4. Land cost
    tatrka The land is worth 33295 CZK. 1st owner has 5/15, 2nd owner has 4/15, 3rd owner has 1/5 4th owner has 1/5. How much CZK each of them will receive?
  5. Pool in litres
    bazen2_1 Pool has a width of 3.5 m length of 6 m and a height 1.60 meters. Calculate pool volume in liters.
  6. Angles in triangle
    angles_triangle.JPG Calculate the alpha angle in the triangle if beta is 61 degrees and 98 gamma degrees.
  7. Clock Tower
    clock_3 What angle is betwenn hands on Clock Tower when show 17 hours and 35 minutes?
  8. Rectangle
    rectangles_3 The rectangle area is 182 dm2, its base is 14 dm. How long is the other side? Calculate its perimeter.
  9. Annulus
    medzikruzie Calculate the area of two circles annulus k1 (S, 3 cm) and k2 (S, 5 cm).
  10. Fe vs. H2O
    atoms_Fe The volume of what the body of the same weight is greater - iron or water?
  11. 7th grade pupils
    rings_olympic Pupils doing research which a winter sport do their classmates most popular. They found that 2/5 of classmates would most like to play hockey, skate prefer 2/9 pupils, 3/10 students prefer skiing and 1/15 classmates don't like any winter sport. What pro
  12. Time adding
    clocks2_9 Add and write the result again as hours, minutes, seconds: 2hodiny45min15s + 1h20m50s =
  13. Bricks II
    cihly 3/4 bricks weighs 6 kg and 2/3 bricks. How weighs one whole brick?
  14. Hexadecimal number
    digitrons What will be hexadecimal number 303 as decimal number?
  15. Janka and Danka
    books_3 Janka and Danka began to read the same day the books. Janka had 276 pages, Danka 204 pages. They agreed that both read every day the same number of pages until theirs books read. A) How many maximum pages they had to read the day to honor their agreement?
  16. Apples 2
    jableka How many minimum apples are in the cart, if possible is completely divided into packages of 6, 14 and 21 apples?
  17. Competition
    f1_australia_2010 The organizers of competion wanted to spent big amount of money to pay for the competitors. One third of this amount spent on prizes and the remaining € 5,000 to diplomas. How much was committed for rewards?
  18. Moneys in triple ratio
    peniazky_4 Milan, John and Lili have a total 344 euros. Their amounts are in the ratio 1:2:5. Determine how much each of them has?
  19. Sweets
    cukrikyyyyyyyyyyyyyyyyy Mom bought box of sweets for their children.Whole package of 100 sweets divided among 4 their children so that each child receives the most and for she remains the least sweets. How many sweets left for mom.
  20. Christmas trees
    vianocny_stromcek Salesman sold Christmas trees: spruce for € 22, pine for € 25 and fir for € 33. At the morning he had the same number of spruce, fir and pine. At the evening he had all the trees entirely sold for € 3,600. How many trees that day salesman sold?

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