2. The supermarket bought 12 boxes of children's toothpaste, 25 boxes each, and each box sold 4 yuan money. How much can these children's toothpaste sell? (Answer in two ways) (6 points)
3. Xiao Ming needs to read a story book on 12, read 18 pages every day for the first five days, and read 20 pages every day for the last seven days. How many pages are there in this book? (6 points)
4. The vegetable market sent 25 baskets of cucumbers and 32 baskets of eggplant, weighing 1870 kg. Each basket of cucumbers weighs 30 kilograms, and each basket of eggplant weighs how many kilograms? (6 points)
. Only the expression is not calculated: 8%
(1) A car travels for 2 hours180km, (2) A square wheat field with a side length of 25m collects wheat.
How many kilometers can you walk in six hours at this speed? 700 Jin, how many Jin of wheat per square meter on average?
Line: line:
(3) There are 45 male workers in a factory, and female workers are better than male workers. (4) The container is just filled with 10 kg of pure alcohol, and 5.6 kg is poured out.
Four times less than 10 people. How many workers are there in this factory? Fill it with water after kg. How much more water is there than pure alcohol at this time?
Line: line:
6. The clothing factory has 8,000 pieces of clothes to pack, each containing 24 pieces of clothes. How many boxes can these clothes hold at most? How many pieces are left?
7. There are 6 groups in Class One, Grade Four, with 7 students in each group. On average, each person collected 5 insects to make specimens. How many insects did the class collect?
Sixth-grade students of Lixin Primary School participated in tree planting activities. There are 40 people in Class One, with an average of 4 trees planted, and there are 38 people in Class Two, with an average of 5 trees planted. How many more trees have been planted in Class Two than in Class One?
Stationery stores had an average monthly turnover of 9000 yuan last year, and it is expected to reach last year's turnover two months ahead of schedule this year. What is the expected average monthly turnover this year?
10 A The school should give 1 100 students a water cup, and each 3 yuan. During the "June 1st" period, the supermarket launched a special price, and every time you buy 10, you will get 1. So how much cheaper is it for the school to buy water cups during the preferential period than usual?
1 1. On Children's Day, Mr. Wang bought costumes for children's performances and spent the same money on three T-shirts and five pairs of shorts. 39 yuan, how much is each pair of shorts and each T-shirt?
12. Xiaolan's mother took 50 yuan's money to buy food, with 28.75 yuan for meat dishes and 6.35 yuan for vegetarian dishes. How much is left?
13. There are 8 bags of rice and 8 bags of flour in the school canteen, with 50 kg of rice and 25 kg of flour in each bag. How many Jin of grain does a * * send?
14. Dongdong weighs 38kg, my cousin weighs half as much as him, and my grandfather weighs four times as much as my cousin. How many kilograms does grandpa weigh?
17, grade four students go to see children's plays. Class one went to 32 students, class two went to 34 students, and two class teachers. Student ticket 6 yuan, adult ticket 12 yuan, how much does it cost to buy a ticket?
18. The new road in front of the school is 96 meters long. Trees should be planted on both sides of the road, and the distance between every two trees is 8 meters (both ends should be planted). How many trees will be planted?
On the 20th, the garment processing factory wanted to make 980 sets of clothes, and 320 sets have been made. If the rest of the clothes need six days
How many sets do you have to make every day?
2 1, the school bought five boxes of badminton, each box 12, * * * 240 yuan, how much is the general badminton?
22. Dance 522 times in three minutes every month, and Lily dances 504 times in three minutes. How many times does Billy jump every minute?
23. Xiaohua walked 4 kilometers and 680 meters, and it took 1 hour 18 minutes. How many meters is the average branch?
24. A 3-ton truck, loaded with 7,000 kilograms of wood, has to cross a bridge with a weight limit of 1 1 ton. Calculate, can the truck cross the bridge?
The width of the 25.28-row seeder is 4m. Tractor traction, 5 kilometers per hour, how many hectares of land can be sown?
26. two piles of goods, a and b, 8000 kg. It is known that the weight of goods in pile A is four times that of goods in pile B. How many kilograms do you want to know?
27. A new expressway was built, with 64 kilometers completed and the remaining 25 kilometers completed in less than three times. What is the total length of this highway?
28. The chemical fertilizer plant produced 483.6 tons of chemical fertilizer in June, 254.8 tons in the first half of July and 287.4 tons in the second half. How many tons more fertilizer was produced in July than in June?
29. The master processes 200 parts every day, and the five-day workload of the apprentice is equal to the four-day workload of the master. How many days does it take for the apprentice to complete 1 120 parts by himself?
30. Installing a 7200m-long cable was planned to be completed in 12 days, but it was completed in 9 days. How many meters are actually installed every day than planned?
3 1. A pair of cloth shoes is 25.65 yuan, and a pair of leather shoes is 2 16.45 yuan more expensive than cloth shoes. Mr. Wang bought a pair of leather shoes and paid it to 300 yuan, the salesman. How much should he get back?
32. There are 2,600 apple trees, 1 150 peach trees and 1250 pear trees in the orchard. The average area of each tree is 14 square meter. How many hectares is this orchard?
33. A has 14.8 yuan and B has 15.2 yuan. They want to buy a football together. The price of a football is twice their money. How much is a football and how much do they lack?
34. A machine plows 15 hectares in three hours. According to this calculation, how many hours does it take for five machines to plow 75 hectares?
35. There are 14 boxes of duck eggs in the shop. After selling 250 Jin, there are still 4 boxes of 20 Jin left. How many kilograms are there in each box of duck eggs?
36. bright primary school donated 240 books to students in mountainous areas, twice as many as the fifth grade, and the sixth grade was more than the fifth grade 120. How many books did you donate per grade on average?
37. The grain store delivered 20 bags of rice and 20 bags of flour, each containing 90 kilograms of rice and 25 kilograms of flour. How many kilograms more rice is brought in than flour? (Answer in two ways)
38. The two ropes are 48.4 meters long. After cutting 6.4 meters from the first rope, the second rope is 6 meters more than the remaining two of the first rope. How long are the two ropes?
39. There are 48 students in Class A and Class B, each of whom made 16 paper flowers and sent them to the kindergarten. How much did a * * * send?
40. The distance between A and B is 456 kilometers. How many hours does it take for the train to travel from A to B at an average speed of 76 kilometers per hour?
4 1. There are two grain warehouses. If the first warehouse carries away 2500 kilograms, then the amount of food in the two warehouses is the same. It is known that the second warehouse has 50200 kilograms of grain. How many catties did the original two grain depots have?
42. The master produces 64 machine parts per hour and the apprentice produces 48 parts per hour. How many hours does it take for the apprentice to complete the parts produced by the master in three hours?
43. A rectangular vegetable field is120m long and 60m wide. If one tomato is planted every12m2, how many tomatoes can be planted in this vegetable field? If each tomato charges 3 kilograms, how many kilograms does a tomato charge?
44. There are 64 pine trees in the park, less than willow trees 16. The number of poplars is three times that of pine and willow combined. How many poplars are there in the park?
45. On Children's Day, two groups of students spent three hours making 240 flowers. The first group made 44 flowers every hour, and the second group had six people. How many flowers does everyone make per hour on average?
46. The migrant workers' team is planning to repair the canal by 84 meters a day, and it will be completed in 34 days. As a result, 102 meter was built in one day, which can be completed several days ahead of schedule.
47. A rectangular vegetable field, covering an area of 1 hectare, is1.25m long. A wheat field is 250 meters long. These two plots are equal in width. How many square meters are there in the wheat field? How many hectares?
48. A car travels from A to B, 90 kilometers in the first two hours and 48 kilometers in the third hour, just arriving at B. How many kilometers does this car travel per hour on average?
49. Harvest a batch of apples in the orchard. A small basket can hold 25 kilograms per basket, which requires 28 baskets. If packed in a 10 big basket, there are still 50 kilograms left. How many kilograms can each big basket hold on average?
50. A library has 24 identical bookshelves, each with four floors and 240 books on each floor. How many books can these shelves hold?
5 1. The supermarket bought 12 boxes of children's toothpaste, 25 boxes each, and each box sold 4 yuan money. How much can these children's toothpaste sell? (Answer in two ways)
52. Xiao Ming needs to finish reading a story book in 12 days. He reads 18 pages every day for the first five days and 20 pages every day for the last seven days. How many pages are there in this book?
53. The vegetable market sent 25 baskets of cucumbers and 32 baskets of eggplant, weighing 1870 kg. Each basket of cucumbers weighs 30 kilograms, and each basket of eggplant weighs how many kilograms?