Urgent! Grade 5 40 mark application questions (with answers!)

Urgent! Grade 5 40 mark application questions (with answers!)

(1)
1. The sixth grade students collected 180 cans, one third of which were collected by class one and two fifth by class two. How many cans did the two classes collect? (60,72)
2. Xiaohong weighs 42 kg, Xiaoyun weighs 40 kg, and Xiaoxin weighs 1 / 2 of the total weight of Xiaohong and Xiaoyun. How many kg does Xiaoxin weigh? (41)
3. Three classes of sixth grade students help the library mend books. Class one mends 54 books, class two mends 5 / 6 of class one, and class three mends 4 / 3 of class two. How many books does class three mend? (60)
4. Xiaoli has 12 more color pictures than Xiaolan, which is just 3 / 10 of Xiaolan's pictures. How many color pictures does Xiaolan have? How many color pictures does Xiaoli have? (40,52)
5. There are 111 students in grade six, equivalent to three-quarters of the students in grade five. How many students are there in grade five and grade six? (259)
6. Xiao Gang's family bought a bag of flour and ate 15kg, which is exactly 3 / 4 of this bag of flour. How many kg is left? (20)
7. There are 30 people in the art group of Guangming primary school, 1 / 3 in the biology group, and 4 / 5 in the model group. How many people are in the model group? (8)
8. There are 2400 geese in a farm. The number of geese is 3 / 4 of that of ducks, and the number of ducks is 4 / 5 of that of chickens. How many chickens are raised in the farm? (4000)
9. Five students have the same amount of savings. If each student donates 16 yuan to "Hope Project", the remaining money of the five students is exactly equal to the savings of the original three students
The following is for reference
(2)
1. A rectangular sand pit is 4 meters long, 2 meters wide and 0.5 meters deep. If every cubic meter of yellow sand weighs 1.4 tons, how many tons does it weigh?
2. A cuboid has a bottom area of 30 square decimeters and a height of 3 meters. How many cubic decimeters is its volume?
3. Our school needs to paint the classroom, which is 8 meters long, 7 meters wide and 3.5 meters high. After deducting the area of doors, windows and blackboard, which is 13.8 square meters, it is known that it costs 5 yuan per square meter to paint. How much does it cost to paint a classroom?
4. A commodity box is a cube with an edge length of 6cm. The trademark is pasted around the box. How many square centimeters is the maximum area of the trademark?
5. How many cubes can be sawn by sawing the cubes 8 cm long, 12 cm wide and 5 cm high into cubes 2 cm long?
6. A cuboid wood with a square bottom is 5 meters long. Cut it into 4 sections and increase the surface area by 36 square meters. Calculate the volume of the cuboid?
7. A rectangular iron plate 40 cm in length and 30 cm in width. Cut off the four corners of it, and then weld it into a box without a cover. How many liters is its volume?
8. A rectangular tin water tank is 18 decimeters long and 10 decimeters wide. It is known that the tank can hold up to 1620 liters of water. How deep is the tank?
9. A rectangular plastic box containing liquid medicine, which is 0.6 meters long, 0.25 meters wide and 0.5 meters deep, if you put this whole box of liquid medicine into a small bottle that can hold 400 ml per bottle, how many bottles can this box hold at least?
10. The edge length of a cube billet is 6 decimeters, and it is forged into a rectangular steel with a cross section of 3cm. How long is the steel?
11. A rectangular oil barrel with a bottom area of 18 square decimeters can hold 43.2 kg of oil. If the weight of each liter of oil is 0.8 kg, how many decimeters is the height of the barrel?
12. In a glass jar 25 cm long and 20 cm wide, there is a cube iron block 10 cm long. At this time, the water depth is 15 cm. If you take this iron block out of the jar, how many cm is the water depth in the jar?
13. A cuboid oil tank, with a square bottom and a side length of 6 decimeters measured from the inside, has contained 144 liters of oil. It is known that the depth of oil in the tank is half that of the tank. How many decimeters is the depth of the tank?
14. A room is paved with 1200 pieces of wood floor 40 cm in length, 20 cm in width and 2 cm in thickness. How many square meters does the room cover? How many cubic meters of wood does the room need?
It takes 1000 pieces to build a large auditorium with 0.2 meters long and 0.1 meters wide rectangular bricks. If you use 0.01 square meters square bricks instead, how many bricks do you need?
16. How many square decimeters is the length and width of a rectangular oil barrel made of iron sheet, which is 4 decimeters and 6 decimeters high? Gasoline is put in the barrel. The weight of each liter of oil is 0.82 kg. How many kg of gasoline can the barrel hold?
17. Shengli primary school grade 5 class 3 sports standard number is 24, the number of substandard is 12, the number of standard number of the total number of the class how many?
18. There are 83 people in class A and class B, 86 people in class B and class C, and 85 people in class C and class A. how many people are there in class A and class B?
19. 2 cattle and 4 sheep eat 27 kg of grass a day, 6 cattle and 15 sheep eat 90 kg of grass a day, 1 cattle and 1 sheep eat how many kg of grass a day?
20. The total weight of 4.5 liters of oil and 3.5 liters of milk is 7.88 kg, and the total weight of 3 liters of oil and 3 liters of milk is 5.94 kg. How many kg are there in one liter of oil and one liter of milk?
21, 4 basketball and 3 volleyball share 141 yuan, 5 basketball and 4 volleyball share 180 yuan, how much is each basketball and each volleyball?
22. There are 10 red and black balls, 7 red and white balls, and 5 black and white balls. How many are there in each of the three kinds of balls?
23. There are three people, a, B and C, who walk 120 meters per minute, B 100 meters per minute and C 70 meters per minute. If the three people start at the same place at the same time and walk along a circular runway with a circumference of 300 meters, how many minutes later can they meet again?
24. A, B and C go to the library to borrow books. A goes every six days, B goes every eight days and C goes every nine days. If they meet in the library on March 5, what is the next time they go to the library?
25. The fifth grade students of Guangming primary school are divided into groups of seven, eight or six. They just finish the exercises. How many students are there at least in the fifth grade?
26. A car runs 192 kilometers in the first three hours and 58 kilometers in the second two hours. What is the average speed of the car?
27. A bottle of oil weighs 3.4 kg. After half use, it weighs 1.9 kg. How many kg of oil does the bottle weigh?
28. Gardeners planted 74 trees every 4 meters on both sides of a section of highway. Now they want to plant one tree every 6 meters. So, how many trees do not need to be transplanted?
three
1. The distance between Party A and Party B is 420 kilometers. A bus is planned to travel 7 hours from place a to place B. the actual distance is 10 kilometers more than the original plan. How many hours does it actually arrive?
2. Xiaoqiang goes back to school from home. If he walks 50 meters every minute, he can go back to school in 12 minutes. If he walks 10 meters more every minute, how many minutes in advance can he go back to school?
3. The clothing factory originally planned to make 120 suits, each suit uses 4.8 meters of cloth. After improving the cutting method, each suit saves 0.3 meters of cloth. How many suits can the original cloth make now?
4. For a story book, 576 words were arranged on each page and 25 pages were arranged. When it was reprinted, the characters were reduced to 18 pages. How many more words are arranged on each page now?
5. A passenger train and a freight train depart from Party A and Party B at the same time. The passenger train runs 80 kilometers per hour and the freight train 60 kilometers per hour. After five hours, the two trains meet. How long is the railway between Party A and Party B?
6. Party A and Party B should type a 7000 word manuscript at the same time. Party A should type 600 words per hour, and Party B should type 200 words more than Party A. how many hours can we finish the task?
7. The distance between a and B is 630 kilometers. Two hours after the bus leaves from a, the truck leaves from B. It is known that the bus runs 65 kilometers per hour and the truck runs 60 kilometers per hour. The truck meets the bus a few hours later
8. Wang Fang's deposit is 2.2 times that of Li Li's. If Li Li deposits another 75 yuan in the bank, the two people's deposits will be equal. How many yuan did they deposit?
9. In Grade 5, a batch of notebooks will be awarded to Sanhao students. If 5 notebooks are awarded to each student, there will be 3 left. If 6 notebooks are awarded to each student, there will be 12 less. How many students are awarded in Grade 5? How many notebooks have they bought?
10. Two baskets of oranges were sold in the store. The first basket weighs 26 kg, and the second basket weighs 29 kg. The second basket costs 9 yuan more than the first basket. How much is the average per kilogram of oranges
11. After driving for 4.5 hours, car a landed 13.5 kilometers behind car B. It is known that car a travels 35 kilometers per hour, and how many kilometers per hour does car B travel?
12. Processing a batch of parts. The original plan was to process 80 parts per day, and the task was completed on schedule. Due to the improvement of production technology, 100 parts per day were actually processed. In this way, not only the processing task was completed four days in advance, but also 100 more parts were processed. How many parts did they actually process?
13. Party A and Party B process a batch of hats. Party A processes 10 more hats per day than Party B. on the way, Party B has a 5-day rest. After 20 days, the hats processed by Party A are twice as many as those processed by Party B. how many hats do they process each?
1. There are two workshops a and B. if 10 people are transferred from workshop a to workshop B, the number of people in the two workshops is exactly the same; if 20 people are transferred from workshop B to workshop a, the number of people in workshop a is just three times that of workshop B. how many people are there in each workshop?
Method 1: using equation method
If there are x people in workshop B, then there are x + 20 people in workshop a
（x－20）×3＝x＋20＋20
3x－60＝x＋40
2x＝100
x＝50
A has 50 + 20 = 70
Method 2: arithmetic
B (20 + 20 + 20 × 3) / (3-1) = 50 (person)
A 50 + 20 = 70 (person)
2. Party A and Party B process parts. Party A processes six more parts per day than Party B. Party B stops on the way for 15 days without processing. After 40 days, the number of parts processed by Party B is exactly half of that of Party A. how many parts have Party A and Party B processed?
Suppose B processes x every day and a processes x + 6 every day
2*X*25=(X+6)40
X=24
B processed 1200, a processed 2400
3. The school transported 43.2 cubic meters of fine sand. How many decimeters thick can the sand be paved in a long jump pit 12 meters long and 7.2 meters wide?
43.2 △ 12 △ 7.2 = 0.5 M = 5 decimeter
4. A cuboid tank can store 12.6 tons of water at most. It is known that the length of the tank is 6 meters, the width is 3 meters, and the depth is how many meters? (1 cubic meter of water weighs 1 ton. Use the equation to solve)
Let the water depth be x meters
6×2×X=12.6×1
X = 12.6 △ 12 = 1.05M
5. There is a rectangular oil barrel with a bottom side length of 2 decimeters. The oil in the barrel is injected into a 500ml bottle. A total of 60 bottles are filled. What is the oil depth in the barrel?
500 ml = 0.5 L
0.5 × 60 △ 2 ^ 2 = 7.5 decimeters
6. A rectangular sheet of iron, 50 cm long and 45 cm wide, is cut off from four corners and punched into a box. How many cubic centimeters can the box hold?
(50-2 × 10) × (45-2 × 10) × 10 = 7500 CC