Application problem is the key and difficult point of sixth grade mathematics in primary school. The following are the application questions of the first volume of mathematics in the sixth grade of primary school, which I collected for you. Welcome to reading.

Application problems of fractional multiplication in primary school mathematics volume I

1. A car travels 7/8 kilometers per minute. How many kilometers did it travel in 48 minutes? 1 hour?

2.9/20m long cubic lantern holder. How many meters of wire does it take to make such a lantern?

A bag of melon seeds weighs 50 kilograms. Every 3/4 kg of melon seeds is packed in a bag and 20 bags. How many kilograms are left?

The distance between a and b is 240 kilometers. A car travels from place A to place B in 2 hours, which is 3/4 of the whole journey. How many kilometers does the car travel per hour on average?

5. A person's head accounts for about 1/8 of his height. Wang Hua's height is 168 cm. How many centimeters is his head?

There are 48 students in Class 6.6 (1), among whom the whole class 1/4 participated in the extracurricular reading interest group. How many people joined the extracurricular reading interest group?

7. The price of a football is 96 yuan, the price of a basketball is 5/8 of that of football, and the price of a volleyball is 3/4 of that of basketball. What is the price of volleyball?

8. A book has 60 pages, and I read 2/3 of them. How many pages have I read? How many pages are left?

9. Community greening, in which the open space 1200 square meters, the flower planting area is 7/8 of the open space, and the tree planting area is 4/5 of the flower planting area. How many square meters of trees have been planted in this community?

10, and the distance between a and b is 126 km. A car travels from A to B, which is 7/9 kilometers more than 5 kilometers. How many kilometers has it traveled?

1 1, the canteen bought 4/5 tons of rice, the first week I ate 1/3, and the second week I ate 1/5 tons. How many tons of rice did you eat in two weeks?

12. Tianyuan Computer City planned to sell 3,500 computers in May, but actually sold more than originally planned 1/5. How many computers did it actually sell in May?

13, Xiaohua read 72 pages of books. On the first day, he read 1/3 of the whole book, and the next day, he read 1/4 of the whole book. How many pages are left?

14. The teachers and students of grade 6 donated 8,000 yuan to the Sichuan disaster area, and the donation of grade 5 was less than that of grade 6 1/5. How much did you donate in the fifth grade?

15, (1) The original price of a TV set 1600 yuan has been reduced by 1/8. How much has it decreased?

(2) The original price of a TV set is 1.600 yuan, and the price is now reduced to 1/8. What's the current price?

(3) The original price of a TV set was 1.600 yuan, but now the price has increased 1/8. What's the current price?

16. A 480m-long expressway has been built, and the total length of 1/4 has been completed. How many meters are left to be repaired?

17. Science and technology books in the school library 1080, and literature and art books are 2/9 more than science and technology books. How many literary books are there?

18, bright primary school used 840 degrees of electricity in September. June 5438+00 saved112 compared with September. How many kilowatt hours have you saved?

19. Teacher Zhang has 270 China stamps. He collected fewer foreign stamps than China stamps 1/9. How many foreign stamps are there?

20. A wire is 10 meter long. First cut1/5m, second cut1/5m, how many metres are left?

2/kloc-36 students participated in math interest groups in grades 0 and 6, and the number of Chinese groups was 5/6 of that of math groups, while the number of sports groups was 4/3 of that of Chinese groups. How many people are there in the sports team?

22. A car traveled 60 kilometers in 2/3 hours. According to this calculation, how many kilometers does this car travel per hour?

23. As shown on the right, the area of a triangular vegetable field is 8/ 15 square meters, and the bottom is 4/5 meters. Find H.

24. Stores pack120kg candy in plastic bags. If each bag is 1/4kg, how many bags can these sweets be packed?

25. A car travels 96 kilometers in 8/5 hours. How many kilometers per hour do you drive on average?

26, a batch of goods, 65438+ 0.5 of this batch of goods every day, how many days can you ship 4/5 of this batch of goods?

27. Xiaohua goes to school by bike, and it takes 1/3 hours to complete 3/ 14 of the whole journey. Walking a fraction of the whole journey every hour?

28. Seven eighths of a number is 14. What's this number?

29. Party A and Party B made 150 parts in 3/2 hours. Party A produces 60 parts per hour. How many parts does Party B produce per hour?

30. Students visit Xiangjiang Wildlife Park. An adult ticket is a 50 yuan, and a child ticket is 65438+ 0/2 of the adult ticket price. How many children tickets can 200 yuan buy?

3 1. Mom bought 6/5 meters of cloth and spent 18 yuan. How much does it cost to buy 7/ 10 meters of cloth?

32. There are 30 cows in a pasture, the number of which is 3/7 of that of sheep. How many sheep are there in the pasture?

33. The school canteen sent a batch of rice, which has been eaten for 5/9, that is, 400 Jin. How many Jin of rice did the canteen send?

The speed of the train is 120km, which is equivalent to115 of a supersonic plane. How many kilometers does this plane fly per hour?

35. Cars travel 80 kilometers per hour, which is 2/3 of the train speed. How many kilometers does the train travel per hour?

36. There are 24 girls in the school track and field team, which is 4/5 of the boys. How many students are there in the school track and field team?

37. The fruit shop bought 280 baskets of apples, three-sevenths more than pears. How many baskets of pears did you bring in?

38. Hongxing Primary School used 483 kWh of electricity in June 5438+ 10, saving18 compared with September. How many kWh was used in September?

39. Last year, the total grain output of Toyota Village reached 6.5438+0.8 million tons, an increase of 654.38+0.5 over the previous year. What was the total output of the previous year?

40. A primary school spent 60,000 yuan on books, saving 1/4 compared with the original plan. How much did you originally plan to invest?

4 1. There is a pasture with 56 cows. The number of cattle is less than that of sheep 1/5. How many sheep have you raised?

42. A conference room is paved with square tiles with a side length of 2/5 meters, and exactly 800 tiles are used. What is the area of the conference room?

43. After a livestock farm sold 3/8 beef cattle, there were 250 left. How many beef cattle are there in this livestock farm?

44. A factory used 480 tons of water in June 5438+ 10, saving19 compared with the original plan. How many tons of water is planned for June+10 in 5438?

There are 120 apricot trees in the orchard, which is 2/5 of the number of pear trees and 5/8 of the number of apple trees. How many apple trees are there?

46. The typist typed a manuscript, and typed 12 on the first day and 13 on the second day. The pages typed in two days account for 5/ 12 of this manuscript. How many pages are there in this manuscript?

47. The tallest animal in the world is the giraffe. A giraffe is 6 meters high, which is higher than an elephant 1/2. How long is this elephant?

48. Grade four students in a school 150 students. The number of students in grade five is 2/3 of that in grade four, and the number of students in grade five is 4/5 of that in grade six. How many students are there in the sixth grade?

49. Make a triangle with a 36 cm long iron wire. The ratio of the three sides of a triangle is 3: 5: 4. How many centimeters are the three sides of a triangle?

50. A medicinal liquid, which is prepared from water and medicinal powder at the ratio of100:1. Now we need to prepare 505 kilograms of this potion. How many kilograms of water and powder do you need?

5 1. The surface of a football is surrounded by 32 pieces of black pentagonal leather and white hexagonal leather. The ratio of black leather to white leather is 3:5. How many pieces of each color are there?

52. I hope to donate books to the school library in the fourth, fifth and sixth grades of primary school. I plan to donate 2,500 books. There are 350 students in grade four, 440 students in grade five and 460 students in grade six. How many books should be donated in each grade according to the number of people?

53. There are 280 employees in a factory, of which the ratio of male to female is 5:9. How many people are there in this factory?

54. The ratio of degrees of two acute angles of a right triangle is 2:7. What are the degrees of these two acute angles?

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