Do you know the difficulty coefficient of application problems in the fourth grade of primary school? The following is a set of application problems in the fourth grade of primary school that I have compiled. Welcome to read!

Application exercise (1)

1. Eggs collected in Asian chicken farm on Monday spring, 18kg packed in a box. After 8 cases are packed, there is 16kg left. How many kilograms of eggs were collected on Monday?

2. 3 boxes of towels, each box 12 pack, 20 pieces per pack. * * * How many towels are there?

The waterway between Port A and Port B is 360 kilometers long. Xiaoming boarded the ship from A at 7: 00 a.m. and arrived at B at 4: 00 p.m. ... How many kilometers does this passenger ship travel on average per hour?

A rectangular orchard is 400 meters long and 60 meters wide. What is the area of this orchard? How many hectares?

The fresh fruit shop sold 14 boxes of peaches in the morning and 20 boxes of peaches in the afternoon. If each box of peaches weighs 26 kilograms. How many boxes of peaches were sold today?

Application exercise (2)

1 Class 1, Grade 4, 23 boys and 25 girls. Go to work in groups of four. How many groups should a * * * be divided into?

2. Read a story book with 150 pages in winter and winter. I read 40 pages on the first day, and I read as much on the second day as on the first day. How many pages are left to read?

3. Cars travel 450 kilometers in 5 hours and trucks travel 400 kilometers in 4 hours. Which car runs faster?

4. The playground of Hongxing Primary School is 300m long and100m wide. Xiaohong ran four times around the playground. How many meters did he run? How many hectares are there in the playground?

Application exercise (3)

1, 5 ping-pong balls are packed in a bag, and every 4 bags are packed in a box. How many boxes can 200 table tennis balls hold?

A new highway is 200 kilometers long and 40 meters wide. How many hectares is this highway?

A science and technology book has 256 pages. Xiaohong studied for 8 days and read 20 pages every day. How many pages are left?

4. Jian Peijun copied words. He copied 30 words in the morning and 6 lines in the afternoon, each with 4 words. How many words did he copy a day?

The school bought 80 pots of flowers, put 20 pots at the door, and distributed the rest to 6 classes. How many cans are allocated to each class on average?

Application exercise (4)

1. The circumference of a square is 800 meters, and 7 tons of rice are harvested per hectare. How many tons have been harvested in this land?

2. Pack 480 bottles of ink, one bottle for every 6 bottles and one bottle for every 8 boxes. How many cases are packed in a * * *?

3. Students in Grade Three and Grade Four should go by boat. A boat can only carry six people. There are 30 students in grade three and 22 students in grade four. How many ships should there be?

The car travels 270 kilometers in 3 hours. According to this calculation, how many kilometers do you drive in 5 hours?

5. For each child ticket in 8 yuan, buy 100 yuan for 12 tickets. How much should I get back?

Application exercise (5)

1, the school will add two new books to the library, one is an encyclopedia for children, each set is 125 yuan, and the other is a mathematical conjecture, each set is 18 yuan, each set is 3 sets, and how much is it? (Answer in two ways)

Method 1: Method 2:

2, each tree seedling 16 yuan, buy 3 trees to get 1 tree. How much cheaper is it to buy three at a time?

3. The road team has built a road, and it needs to be repaired165m every day. It has been built for 18 days, and it still needs 120 meters to complete the task. How long is this road?

4, 5 boxes of bees can brew 375 kilograms of honey a year. Kobayashi keeps 12 boxes of such bees. How many Jin of honey can he brew a year?

Application exercise (6)

1. Uncle Liu took 700 yuan to buy fertilizer, bought 16 bags of fertilizer, and left 60 yuan. How much is a bag of fertilizer?

2. Trees should be planted on both sides of the highway, with 25 trees per kilometer on each side. This road is 120 km long. How many trees does a * * plant?

3. A panda needs to eat 15 kg feed a day, and the zoo has prepared 24 bags of feed, each bag is 20 kg. Is this enough for pandas to eat for 30 days?

4. The experimental primary school should buy a 12 yuan composition counseling book for each of the third and fourth grade students. It is known that there are 145 students in grade three and 155 students in grade four. How much are the two grades?

Application exercise (7)

1, there are 36 packs of towels, each pack is 20. Put these towels in three boxes. How many towels are there in each box on average?

2, a washing machine 450 yuan, a notebook computer than the washing machine 12 times more than 375 yuan. How much is a laptop?

Teacher Liu bought a badminton racket from 50 yuan with the money from 200 yuan, and the rest of the money is going to buy a table tennis racket from 30 yuan. How many pairs can I buy?

4. The school bought three boxes of pens, each containing 10, and one used 360 yuan. How much is a pen?

Application exercise (8)

1. bright primary school donated books to mountain students, with 240 books in grade four, twice as many as in grade five, and more books in grade six than in grade five 120. How many books did you donate in the sixth grade?

2. A machine plows 15 hectares in 3 hours. According to this calculation, how many hours does it take for this machine to plow 75 hectares?

3. A tour bus travels for 2 hours in the plain and 2 hours in the mountainous area. It is known that the speed of tour buses is 50 kilometers per hour in the plains and 30 kilometers per hour in the mountains. How long will this trip take?

4. The scores of six students in the first group were 86, 79, 98, 100, 89 and 94 respectively. What is their average score?

Application exercise (9)

1. A car traveled from A to B at a speed of 60 km/h, driving for 3 hours, and driving for 2 hours when returning, just arriving at B. What was the speed when returning?

2. The length is unchanged and the width is increased to 24 meters. What is the expanded green area?

The bus travels 45 kilometers per hour. Xiaoming takes a bus from 8: 00 in the morning to his grandmother's home, which is 100 kilometers away from home. Can he get to her home at 10 in the morning?

4. Basketball 12 yuan/piece, football 1 1 yuan/piece. The teacher brought 50 yuan and needed to buy three balls. How many ways can I buy it?

Application exercise (10)

1. A swimming pool is 50 meters long and 25 meters wide. How many such swimming pools are around 1 hectare?

2. If 16 people can stand at 1 square meter, how many people can stand at 1 hectare? 1 square kilometer How many people can stand?

3. There are 124 hectares of forest in a city forest park. 1 hectare forest can retain 32 tons of dust a year and suck 85 tons of water from the ground one day. How many tons of dust can be collected in a year? How many tons of water can be sucked out in a day?

Application exercise (1 1)

1. An elephant in the park eats 350 kilograms of food a day. The breeder prepared 5 tons of food. Is this elephant enough?

2. The grain store delivered 20 bags of rice and 20 bags of flour, each bag of 90 kilograms of rice and 25 kilograms of flour. How many kilograms more rice is brought in than flour?

3. There are 60 boxes of apples in the fruit shop, which is three times as much as oranges, which is 10 more. How many boxes of oranges are there in the fruit shop?

4. A primary school needs to water 620 trees in the third and fourth grades, 320 trees in the third grade and the rest in the fourth grade. After five days of watering, how many trees are watered on average every day?

Application exercise (12)

1. The students took part in tree planting activities. There are 288 trees planted in the fourth grade, and there are 87 people in the fifth grade, each of whom planted 4 trees. How many more trees were planted in the fifth grade than in the fourth grade?

2. The experimental primary school should buy a composition guidance book with the price of 12 yuan for each of the third and fourth grade students. It is known that there are 145 students in grade three and 155 students in grade four. How much are the two grades?

It is 280 kilometers from Nanjing to Shanghai. Four hours after a car left Nanjing, it was still 20 kilometers away from Shanghai. How many kilometers does this car average per hour?

4. A road 1500m long has been built for three days, with an average of 240m a day. How many meters are left?

;