Area word problems for fourth grade elementary school students

Students, if this test paper is compared to a blue sea, then we set sail now, spread your wings of confidence and wisdom, ride the wind and waves, and you will surely gain unlimited scenery! The following are "area word problems for the fourth grade of elementary school". I hope it can help you!

Area word problems for the fourth grade of primary school 1

1. The vertex angle of an isosceles triangle is 70 degrees. What is the degree of one of its base angles? If a base angle is 70 degrees, what is the vertex angle? If the base angle of an isosceles triangle is twice the vertex angle, what is the vertex angle?

2. Use a 24 cm long wire to form a 8 cm long rectangle. What is the area of ??the rectangle in square centimeters?

3. Hanshi Store shipped 845 toys in one day, and 537 of them have been sold.

(1) The unit price of the toys sold is 16 yuan. How much yuan does *** earn?

(2) If the remaining toys are sold at a unit price of 13 yuan, how much more yuan can be earned?

4. There are 89 boxes of white chalk in the school, which is 7 boxes less than three times the number of colored chalk.

(1) How many boxes of colored chalk are there?

(2) How many more boxes of white chalk are there than colored chalk?

5. Master Wang produced parts for the Wenchuan disaster area and processed 105 parts in 3 hours. Based on this calculation, how many parts can Master Wang process in another 2 hours of work?

6. Donate to the disaster area in Sichuan. Xiao Ming donated 54 yuan. Xiao Fang donated 7 yuan more than Xiao Ming. Teacher Zhang donated twice the total amount of Xiao Ming and Xiao Fang. How much did Teacher Zhang donate?

7. Two road construction teams, A and B, *** worked together to build a road in 12 days. Team A repairs 640 meters every day, and Team B repairs 540 meters every day. After the road is built, how many meters more will Team A build than Team B?

8. Xiaohua buys ink and pens according to the table below. Please use two methods to calculate how much yuan you have to pay per ***?

9 bottles of ink are 6 yuan each

9 bottles of pens are 24 yuan each

9. If the length of a rectangular vegetable plot is increased by 8 meters, the area will be Add 120 square meters. If the width increases by 5 meters, the area also increases by 120 square centimeters. What is the original area of ??the rectangle in square centimeters?

10. A passenger bus and a truck drive from point A to point B at the same time. The passenger bus travels 80 kilometers per hour and the truck travels 60 kilometers per hour. How many kilometers are the distance between the two vehicles after 4 hours? ?

Area word questions for the fourth grade of primary school 2

1. A tit can eat about 800 pests in 5 days. Based on this calculation, how many pests can a tit eat in a month? ? (A month is calculated as 30 days.)

2. A long-distance bus traveled 174 kilometers in 3 hours. At this speed, how many kilometers can it travel in 12 hours?

3. Grandpa Zhang bought 3 lambs for 75 yuan. He wants to buy 5 more lambs like this. How much money does he need to prepare?

4. Five boxes of bees can produce 375 kilograms of honey in one year. Xiaolin's family keeps 12 boxes of bees like this. How many kilograms of honey can be produced in a year?

5. 180 young pioneers from Yuying Primary School helped military families do good deeds on the "Love Day". These young pioneers are divided into 5 teams on average, and each team is divided into 4 groups for activities. How many young pioneers are there in each group on average?

6. Uncle Liu brought 700 yuan to buy fertilizer and bought 16 bags of fertilizer, leaving 60 yuan. How much does each bag of fertilizer cost?

7. The eggs collected by Chunya Chicken Farm on Monday are packed in 18 kilograms per box. After packing 8 boxes, there are still 16 kilograms left. How many kilograms of eggs were collected on Monday?

8. Uncle Wang drove from the county seat to Wangzhuang to deliver fertilizer. It took 6 hours to travel 40 kilometers per hour when I went there, and only 5 hours when I returned. How many kilometers per hour does it average on the return trip?

9. A tourist bus traveled in the plains and mountains for 2 hours each, and finally reached the top of the mountain. It is known that a tourist bus can travel 50 kilometers per hour in the plains and 30 kilometers per hour in the mountainous areas. How long is this journey?

10. Plant trees on both sides of the road. 25 trees should be planted per kilometer on each side. This road is 120 kilometers long. How many trees should be planted in one day?

11. The school plans to distribute exercise books to 15 classes, with 144 copies per class, and 40 copies will be kept as backup. How many exercise books should a school buy?

12. A sapling is 16 yuan, buy 3 and get 1 free. If I buy 3 trees, how much does each tree cost?

13. Each bottle of shampoo is 15 yuan, and the mall carries out promotions, buy 4 bottles and get 1 free.

If I buy 4 bottles, how much is the price per bottle?

14. A panda needs to eat 15 kilograms of feed a day. The zoo prepares 24 bags of feed, each bag is 20 kilograms. Is this feed enough for a panda to eat for 30 days?

15. It took 6 hours for the car to deliver goods from point A to point B at a speed of 32 kilometers per hour. It only took 4 hours to return. What was the speed of the return?

16. It took Xiao Ming 4 hours to go up the mountain. He traveled 3 kilometers per hour. His speed down the mountain increased to 6 kilometers per hour. How long did it take to go down the mountain?

17. The workshop originally planned to produce 15 machines per day and it could be completed in 24 days. It actually produced 18 machines per day. How many days did it actually take to complete the task?

18. The experimental primary school will buy a composition tutorial book priced at 12 yuan for each of the third and fourth grade students. It is known that there are 145 students in the third grade and 155 students in the fourth grade. How much yuan does it cost to feed the two grades?

19. There are 370 people going on a trip. Each car can seat 30 people. How many cars are needed to complete the tour?

20. There are 450 kilograms of rice. If you eat 60 kilograms a day, how many days can you eat it at most?

21. There are 28 seats in each row of the school auditorium. There are 180 people in the fourth grade ***. How many rows can be filled? How many people are left?

22. Uncle Liu brought 800 yuan to buy fertilizer. I bought 16 bags of fertilizer and I have 80 yuan left. What is the price of each bag of fertilizer?

23. A long-distance bus traveled 174 kilometers in 3 hours.

At this speed, how many kilometers can it travel in 6 hours? How many kilometers can be traveled in 6 hours? You must first find:

Column solution:

24. It took Uncle Li 3 hours to drive a truck from Foshan to Dongguan. The speed of the truck was 40 kilometers/hour. Return It only took 2 hours. How many kilometers per hour did Uncle Li travel on average when he returned?

25. 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 the sum of their money. How much is a football? They are still short. How much?

26. A machine can plow 15 hectares of land in 3 hours. According to this calculation, it will take 75 hectares of land to plow. How many hours will it take to use 5 machines?

27. There are 14 boxes of duck eggs in the store. After selling 250 kilograms, there are 4 boxes and 20 kilograms left. How many kilograms of duck eggs are in each box?

28． Guangming Primary School donated books to students in mountainous areas. The fourth grade donated 240 books. The fifth grade donated twice as much as the fourth grade. The sixth grade donated 120 books more than the fifth grade. How many books did each grade donate on average?

29. The grain store transports 20 bags of rice and 20 bags of flour each. Each bag of rice is 90 kilograms and each bag of flour is 25 kilograms. How many kilograms more rice is transported than flour? (Answer in two ways)

30. The two ropes are 48.4 meters long in total. After cutting 6.4 meters from the first rope, the second rope is 6 meters longer than the remaining 2 times of the first rope. How many meters were each of the two ropes originally?

31. Students in the fourth and fifth grades collect tree species. The fourth grade collects 18.6 kilograms of tree seeds. The fourth grade collects 2.5 kilograms less than the fifth grade. How many kilograms of tree seeds do the two grades collect in one ***?

32. A workshop used to consume 2450 kilowatt hours of electricity per month. After carrying out conservation activities, the original electricity consumption for one year can now be used for 2 more months. How much electricity does this workshop save per month on average? Kilowatt hours?

33. Students participated in tree planting work. There were 96 students in the fourth grade***, each of whom planted 3 trees. There were 87 students in the fifth grade, and each student planted 4 trees. There were more students in the fifth grade than in the fourth grade. How many trees should be planted?

34. The math test scores of the six students in the first group are: 86, 79, 98, 100, 89, and 94. What is their average score?

35. A car travels 135 kilometers in 3 hours. The flying speed of an airplane is 28 times that of the car but 60 kilometers less. How many kilometers does the airplane travel per hour?

36. A garment factory produces 850 suits in 5 days. Based on this calculation, how many suits can be produced in a month? (A month is calculated as 30 days)

37. The store transported 8 baskets of apples and 12 baskets of pears. Each basket of apples is 38 kilograms and each basket of pears is 42 kilograms. How many kilograms of fruit did the store transport?

38. A certain construction site requires 240 tons of cement. Five vehicles are needed to transport it. Each vehicle transports 3 tons at a time. How many times does it take to transport the cement? (Use two comprehensive answers)

39. Place A and B are 750 kilometers apart. If a car travels at a speed of 50 kilometers per hour, how many hours will it take to reach place B? (List equations containing unknown numbers and then solve them)

40. Xiaohua, Xiaolin, *** have 12 pencils, Xiaogang and Xiaohong*** have 20 pencils, on average each of them How many pencils are there?

41. The third and fourth graders of a certain primary school have to water 620 trees. The third graders water 40 trees every day for 8 days; the fourth graders water the rest in 5 days. How many trees do you water on an average day?

42. Three looms can weave 336 meters in 4 hours. Based on this calculation, how many meters can one loom weave in 8 hours?

43. Places A and B are 560 kilometers apart. A car drives from place A to place B, traveling 48 kilometers per hour, and another car drives from place B to place A, traveling 32 kilometers per hour. How many kilometers are the distance between the two cars 5 hours after they drive from opposite places?

44. A section of the road was originally planned to be completed in 20 days. In fact, 45 meters more was repaired every day than originally planned, and the task was completed 5 days ahead of schedule. How many meters of roads were originally planned to be built every day

45. Xinhua Bookstore shipped a batch of science and technology books. 300 books were sold on the first day, accounting for 30% of the books. How many science and technology books were there in this batch? Book?

46. There are 280 students in the fifth grade, 50% of whom are boys. How many boys are there in the fifth grade?

47. There are 300 students in the sixth grade, which is twice as many as the third grade but 10 students less. How many students are there in the third grade?

48. There are 60 boxes of apples in the fruit shop, which is 10 boxes more than three times the number of oranges. How many boxes of oranges are there in the fruit shop?

49． It is known that a certain iron bridge is 1000 meters long. A train is passing through the bridge. It is measured that it takes one minute from the beginning of the train to get on the bridge to completely passing through the bridge. The time for the entire train to be completely on the bridge is 40 seconds. Find The length and speed of the train.

50． There was a woman washing dishes by the river. When others saw her, she was asked why she used so many bowls. She replied that there were many guests at home, and every two of them shared a vegetable bowl, and every three of them shared a soup bowl. Every four people shared one rice bowl, and *** used 65 bowls. How many guests came to her house?

Area word problem 3 for the fourth grade of elementary school

1. One car Trucks travel an average of 68 kilometers per hour from Jiacheng. How many kilometers are there between cities A and B after 14 hours?

2. An elephant eats 302 kilograms of food every day. Approximately how many kilograms of food does it eat in September?

3. Yucai Primary School There are 254 summer camp students. The school organizes students to visit the museum and the student ticket is 25 yuan per person.

Does the school prepare 6,500 yuan to buy tickets?