Problems for 6th grade (the sixth graders)

  1. If 2*3
    my If 2*3 = 60 ; 3*4 = 120 and 4*5 = 200, what is 2*5?
  2. My father
    tree3_2 My father has a big farm. 6/8 of it were planted with mango trees, 1/2 of the remainder are guava trees and the rest 10 trees are santol trees. What is the number of all trees?
  3. School
    skola_16 There are 148 pupils in grade 5 . .2/3 of it are female. By what fractions are the males?
  4. The Stolen Money
    magic2_1 A man walks into a store and steals a $100 bill. 5 minutes later, he returns to the store and buys stuff worth $70. He pays with the bill that he had stolen, so the owner of the store returns him $30. How many dollars did the store owner lose?
  5. Factors 2
    powers_2 A number has 3 identical factors. If 1 of them is 18. Find the number step by step
  6. To improve
    one_2 To improve her handwriting Paula practices writing the numbers 1 to 200 in words. How many times will she have written the word "one" in all?
  7. Counting number
    numbers2_49 What is the smallest counting number divisible by 2,5,7,8 and 15?
  8. Fruits
    jablka_15 Amy bought a basket of fruits 1/5 of them were apples,1/4 were oranges, and the rest were 33 bananas. How many fruits did she buy in all?
  9. Cyclist 9
    cyclist_33 A cyclist travels at a a speed of 4.25 km per hour. At that rate, how far can he travel in 3.75 hours?
  10. Expression 6
    numbers2_48 Evaluate expression: -6-2(4-8)-9
  11. Negative in equation
    eq1_7 2x + 3 + 7x = – 24, what is the value of x?
  12. Running
    runners_3 Joanne ran 8 1/2 Kyleigh 1 2/3 and John 6 3/4 miles in one day. How many miles did the girls run in 3 days?
  13. Tilapia
    tilapia_1 A fish vendor sells 5/7 kilos of tilapia for 73.50. If you will buy 2 1/7 kilos of tilapia, how much will it cost?
  14. Brick
    brick One brick is 6 kg and half a brick heavy. What is the weight of one brick?
  15. Forestry workers
    forestry_workers In the forest is employed 43 laborers planting trees in nurseries. For 6 hour work day would end job in 35 days. After 11 days, 8 laborers go forth? How many days is needed to complete planting trees in nurseries by others, if they will work 10 hours a da
  16. Three cats
    three_cats If three cats eat three mice in three minutes, after which time 110 cats eat 110 mice?
  17. Divisibility
    divisibility Is the number 146025 divisible by 6?
  18. Motion problem
    dragway From Levíc to Košíc go car at speed 81 km/h. From Košíc to Levíc go another car at speed 69 km/h. How many minutes before the meeting will be cars 27 km away?
  19. Excavation
    vykop_ryha Mr. Billy calculated that excavation for a water connection dig for 12 days. His friend would take 10 days. Billy worked 3 days alone. Then his friend came to help and started on the other end. On what day since the beginning of excavation they met?
  20. Cyclist
    cyclist_2 A cyclist passes 88 km in 4 hours. How many kilometers he pass in 8 hours?

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