1. 39 students are skipping rope on the playground. Each group consists of 3 people. How many groups can they be divided into?
2. 4 poplar saplings cost 48 yuan, and 3 pine saplings cost 63 yuan. Which sapling is more expensive?
3. Three (1) classes of children made toys. One *** made 48 toys and gave 15 to the kindergarten. The rest were divided equally among the three classes in the first grade. How many can each class get?
4． Teacher Zhang took 100 yuan to the mall to buy 3 small footballs and got 7 yuan back. Can you know how much each small football costs?
5. There are 65 pages in "The King of Stories". Xiao Ming plans to read it in 4 days, and Xiao Hua plans to read it in 6 days. How many pages does Xiao Ming read on average every day? Where is Xiaohua?
6. Uncle Zhang’s family raises 18 ducks, and the number of chickens is twice that of ducks. How many chickens and ducks does Uncle Zhang’s family raise?
7. There are 45 large cars in the parking lot, and there are 17 more small cars than large cars. How many large cars and small cars are there in a row?
8. Obviously there are 42 stamps, but Fangfang has 15 less stamps than him. How many stamps do they have together?
9. A top costs 45 yuan, and pants are 12 yuan cheaper than tops. How much does it cost to buy a set of clothes?
10. The little white rabbit pulled 14 radishes, and the little gray rabbit pulled 3 times as many. How many fewer trees did the little white rabbit pull out than the little gray rabbit?
11. There are 24 metasequoia trees on campus, and the number of pine trees is three times that of metasequoia trees. How many metasequoia trees and pine trees are there in a ***? How many fewer metasequoia trees are there than pine trees?
12. There are 28 black swans in the park, and the number of white swans is 9, which is three times more than the number of black swans. How many white swans are there?
13. In the third grade, I went to the library to borrow books. I borrowed 420 books in the morning and 20 more books in the afternoon than in the morning. How many books did third grade *** borrow this day?
14. Use 6 small squares with a side length of 1 cm to form a large rectangle. What are the length and width of the rectangle? What is the circumference in centimeters?
15. A rectangular playground is 55 meters long and 35 meters wide. Xiaohua ran 2 laps along the side of the playground. How many meters did he run?
16. Use a line to exactly enclose a square with a side length of 8 cm. How many centimeters long is this wire?
17. The fish farm released 896 fry last year, and the number of fry released this year is twice that of last year. How many tails will be released this year?
18． Three groups of students came to visit the Science Museum in the morning, with 169 people in each group, and another 213 students came to visit in the afternoon. How many students will come to visit this day?
19. A cow eats 32 kilograms of grass a day. How many kilograms of grass do 2 cows eat in 4 days?
20. There is a piece of land used to grow tomatoes, eggplants, and the rest is used to grow watermelons. What percentage of watermelon takes up space?
21. Uncle Li’s family raised 200 chickens. He sold 128 chickens on the first day. The average chicken sold was 9 yuan. How many yuan could Uncle Li sell for that day?
The remaining chickens will be sold the next day. Each cage contains 8 chickens. How many cages can be filled?
22. 48 students go to collect insect specimens. Every 3 students are divided into groups. How many groups can they be divided into?
23. The students want to plant 93 trees, and 18 have been planted. The remaining saplings are divided equally among the 5 groups. How many more trees do each group need to plant?
24. The precipitation in Shanghai in June was 42 mm, which was 14 mm less in July than in June. How many millimeters of rain fall in one month in June and July?
25. The toy factory can produce 600 toys per hour. From 10 am to 2 pm, approximately how many toys can be produced?
26. A square garden bed has a side length of 15 meters. What is its circumference in meters?
27. A fence is built around a rectangular piece of land that is 16 meters long and 8 meters wide. How many meters long is the fence?
28. There are 108 children studying painting in the Children's Palace, and the number of children learning calligraphy is 36 less than twice the number of children learning painting. How many people study calligraphy in the Children's Palace?
29. Each skipping rope is 2 meters long.
How many skipping ropes can be cut from a 65-meter-long rope? How many meters are left?
30. Teacher Li bought 2 pairs of badminton rackets, paid 70 yuan, and got 6 yuan back. How much does each badminton racket cost?
31. Xiao Ming plans to read a popular science book in 6 days. How many pages do he need to read every day on average?
32. The students made 80 paper flowers and tied a bunch of every 5 flowers. How many bunches can be made? One bunch is tied for every 4 flowers. How many bunches can be tied?
33. The unit price of each exercise book is 40 cents. How many such exercise books can Teacher Wang buy at most with 5 yuan?
34. Xiaohua went to the store to buy drinks, bought 5 bottles, paid the salesperson 100 yuan, and got 35 yuan back. How much does each drink cost?
35. The students went to the orchard to participate in voluntary labor. There were 40 male students and 38 female students. Each group of 6 people is divided into groups. How many groups can a *** be divided into?
36. There are 26 boys and 22 girls in Class Three (2). The whole class was divided equally into 4 teams. On average, how many students are there in each team? If each student is given 2 math exercise books, how many math exercise books will the whole class need?
37. There are 18 boys in the school dance team, and the number of girls is twice that of boys. How many boys and girls are there in the dance team?
38. There were 9 girls who went to visit the observatory, and the number of boys who went was three times more than the number of girls. Is a 40-seater car big enough?
39. For one batch of goods, 8 tons have been transported, and the remaining quantity is 5 times the quantity transported. How many tons does this shipment weigh per day?
40. Xiao Ming bought 6 sets of sports cartoons for 4 yuan each, and a red calligraphy book for 15 yuan. How much did Xiao Ming spend on a ***?
41. A football match starts at 14:45 and ends at 16:18. How long did the game last?
42． The students went boating. 27 male students went and 29 female students went, and every 4 people took a boat. How many boats do I need to rent per day?
43. Uncle Wang's family raises 15 geese, four times as many ducks as geese, and 38 more chickens than ducks. How many ducks does Uncle Wang raise? How many chickens do you have?
44. A painting is 50 cm long and 30 cm wide. Is it enough to use a 150cm long wooden strip as its frame?
45. Each bag of salt weighs 500 grams. How many grams are there in 6 bags of salt? How many kilograms?
46． The poultry farm houses 257 ducks and 158 cages of chickens, each containing five birds. How many chickens and ducks are raised in this farm per day?
47. The factory can produce 406 teddy bears every day. Based on this calculation, how many teddy bears can be produced in 5 days?
48. A truck travels 850 meters per minute, and a car travels 50 meters more than three times that of a truck. How many meters does the car travel per minute?
49． A construction site delivered 180 bags of cement on the first day, but the number of bags delivered on the second day was 19 bags less than twice the number on the first day. How many bags of cement will be delivered the next day?
50. Each truck can carry 4 tons of cargo at a time. If 8 such trucks are used to transport 5 times, how many tons of goods can be transported in one day?
51. Each person can assemble 14 bicycles per day. According to this calculation, if 8 people work for 7 days, how many bicycles can be assembled in one day?
52. Junjun has been reading a book for 5 days, reading 24 pages every day, and there are still 10 pages left. How many pages does this book have?
53. There are 25 boys and 23 girls in Class 2 of the third grade. Every 4 people get a football. How many footballs do you need to prepare per ***?
54. Xiaohong read a storybook with 154 pages. A science and technology book her father read had 58 pages more than four times this storybook. How many pages does the science and technology book her father reads have?
55. A tractor can transport 2 tons of goods per hour. Based on this calculation, how many tons of cargo can 6 such tractors transport in 5 hours?
56. 59 students went on a cruise. For every 5 people renting a boat, how many boats should be rented?
57. The breeding group raised 68 rabbits.
If there are 6 animals in each cage, how many cages are needed?
58. A long rope is 25 meters long, and a skipping rope is made every 2 meters. How many skipping ropes can be made in one day?
59． There are 86 pages in a storybook. Xiaohua reads 6 pages every day. How many days will it take to finish reading?
60． A desk costs 60 yuan, which is 34 yuan more than a chair. How much does a set of desks and chairs cost?
61． A car leaves Shanghai at 8 a.m., travels 55 kilometers per hour, and arrives in Nanjing at 6 p.m. Do you know how far is it from Shanghai to Nanjing?
62. Uncle Wang's family raises 45 white rabbits, and the black rabbits he raises are 18 less than the white rabbits. How many rabbits does Uncle Wang's family raise per day?
63. Uncle Li's family raised 800 chickens last year. The number of chickens raised this year is three times that of last year. How many more chickens have been raised this year?
64． The pears shipped to the store are 455 kilograms, and the apples shipped are 160 kilograms less than three times the pears. How many kilograms of apples are shipped to the store?
65． The railway from City A to City B is 560 kilometers long. A train travels from City A to City B at a speed of 118 kilometers per hour. Will it arrive in 3 hours?
66. Master Wang processes 48 parts in the morning and 56 parts in the afternoon. Based on this calculation, how many parts can be processed if he works 5 days a week?
67. There are 58 male students and 44 female students in the science and technology group. The number of people in the literature and art group is twice that of the science and technology group. How many people are there in the literary and art group***?
68． Xiaoli runs to school, averaging 84 meters per minute. After 3 minutes, we are just halfway through the journey. How many meters is it from her home to the school?
69． The school basketball court is 26 meters long and 14 meters wide. Run 5 laps around the basketball court. How many meters did *** run?
70. Master Wang and Master Li *** both processed a batch of parts. Master Wang completed 4/9 of them and Master Li completed 5/9 of them. Which of the two processed more? How many more parts will be processed in this batch?
71. SB has ten apples, buys two, and decides to give these apples to three friends. How many apples does each friend have on average?