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For fifth grade 10 simple calculation, 15 typical application questions, 5 area application questions, (can only answer one of them) urgently needed!
1. The school bought 45 boxes of colored chalk, 15 boxes more white chalk than colored chalk. How many boxes of chalk do you buy altogether?
2. An empty basket weighs 2kg. Put 32kg peanuts into the basket. How many times is the weight of the basket with peanuts?
5、 Practical problems of tandem
1. Two carts of flour are delivered by the grain store, each containing 80 bags of 25kg. How many kilograms of flour are delivered by this grain store? (answer in two ways)
2. Third grade students to the garden to collect cabbage, divided into four groups, 11 people in each group, an average of 45 kg per person. How many kg of cabbage do you collect?
1. The chemical fertilizer plant plans to produce 7200 tons of chemical fertilizer. It has been producing for four months, with an average of 1200 tons of chemical fertilizer per month, and the remaining 800 tons per month. How many months will it take to complete the production?
2. The plastic factory plans to produce 1300 pieces of plastic moulds, 780 pieces in six days. According to this calculation, how many days will it take to complete the rest?
3. Master Li produced 252 parts in 4 hours in the morning, and worked for 3 hours in the afternoon at this speed. How many parts did Master Li produce in one day?
4. The cement plant plans to produce 3600 tons of cement, which will take 20 days to complete. The actual daily production is 20 tons more than the plan, how many days to complete the task?
5. A pile of 3.6 tons of coal can be burned for 10 days. After the improvement of the stove, 0.06 tons of coal can be saved every day compared with the original plan. How many days can this pile of coal be burned now?
6. 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?
7. Xiaoqiang goes back to school from home. If he walks 50 meters every minute and returns to school in 12 minutes, if he walks 10 meters more every minute, how many minutes in advance can he return to school?
8. Build a 6.4km long highway. In the first three months, build 1.2km per month on average, and the rest 1.4km per month. How many months will it take to complete?
9. Xiaoming used 10.2 yuan to buy Stationery, bought 6 pencils, each 0.45 yuan, the remaining money to buy ballpoint pens, each 2.5 yuan, how many can he buy?
10. The clothing factory originally planned to make 120 suits, each suit using 4.8 meters of cloth. After improving the cutting method, each suit can save 0.3 meters of cloth. How many suits can the original cloth make now?
11. 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?
12. 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?
13. Two engineering teams open a 1500 meter tunnel at the same time. Engineering team a starts to dig 14 meters a day at one end, and engineering team B starts to dig 16 meters a day at the other end. How many days later can the tunnel be dug through?
14. Party A and Party B work together to type a manuscript of 7000 words at the same time. Party A will type 600 words per hour, and Party B will type 200 more words per hour than Party A. how many hours can we finish the task?
15. Xiaoming and Xiaoqiang walk in the opposite direction at the school gate after school. Xiaoming walks 70 meters per minute, Xiaoqiang walks 68 meters per minute. How many meters is the distance between them five minutes later?
16. 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. How many hours after the truck leaves, does it meet the bus?
The surface area of cuboid in the fifth grade
1. The height of the cuboid is 8 decimeters, and its volume. The height of the cuboid is 8 decimeters, and the side length of the cuboid is 8 decimeters. The volume of the cuboid is 32 cubic meters
Mathematics Grade 5 Volume 1 Calculation of trapezoidal area
The perimeter of a right angled trapezoid is 60m, the sum of two waists is half of the sum of two bottoms, and one waist is three times of the other waist
1. Understand the key sentence: "the sum of two waists is half of the sum of two bottoms"
2. Sum of two waist: 60 △ 1 + 2 = 20 (m)
3. Sum of upper and lower bottom: 60-20 = 40 (m)
4. The other waist (the height of right angled trapezoid): 20 ÷ (1 + 3) = 5 (m)
5. Area of right angle trapezoid: 40 × 5 △ 2 = 100 (m)
RELATED INFORMATIONS
- 1. Ask for help everyone who has: Beijing Normal University Edition fifth grade first volume mathematics second unit graph area application question! Urgent need for answers, please hurry up!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！
- 2. A problem of calculating trapezoidal area in Volume 1 of grade 5 Form a flower bed by the wall. The fence is 46m long. Calculate the area of the flower bed The height is 20 meters
- 3. It is known that the volume of a cone is 6 | 1 of the volume of a cylinder, and the height of a cone is 4.8
- 4. A cone and a cylinder have the same volume and bottom area. The height of the cone is () times that of the cylinder It's due tomorrow
- 5. The second grade of junior high school In order to improve the situation, the municipal company decided to contract the drainage project of a section of the road to Party A and Party B. the cooperation between Party A and Party B will take 12 days to complete; if Party A completes the project alone, it will take 20 days, Each construction day of Party B needs 10000 yuan, and the cost of completing the project does not exceed 350000 yuan, so how many days does the construction team of Party B need at least? ------------------------------Suppose, formula and final answer------------------------------
- 6. Help primary school mathematics to pursue practical problems
- 7. When a car drives from city a to city B, the ratio of the distance traveled to the distance not traveled is 1:3. If it travels another 130 kilometers, the ratio of the distance traveled to the distance not traveled is 5:2. A, how many kilometers are there between the two cities?
- 8. The perimeter of a rectangle is 36 cm, and the ratio of length to width is 5:4. The area of the rectangle is______ ．
- 9. Sixth grade second volume mathematics examination paper application question, seeks the process and the answer! Urgently needs! There are 45 balls in a bag, with an average of 5 colors. How many of the 6 balls are the same color?
- 10. The results of a class's Chinese test paper are all integers, with a minimum score of 82. It is known that at least four students in the class have the same score. How many students are there in this class?
- 11. Mathematical problems, The sales volume of a shopping mall in the first quarter was 1.25 million yuan, accounting for 5 / 12 of the annual plan. In the second quarter, it completed 4 / 15 of the annual plan. How many million yuan did it complete in the second quarter?
- 12. Let me ask you a calculation question, 1: Calculate, (1 + 2 / 1) (1 + 2 / 2) (1 + 2 / 4) (1 + 2 / 8) + 2 / 15
- 13. Put 100 grams of iron on the furnace and heat it for a long time, then take it out. Immediately put 250 grams of water with a temperature of 20 ℃. Finally, the temperature of water rises to 60 ℃. Calculate the temperature of the furnace. (C iron = 0.46 * 10 cubic coke / kg ℃)
- 14. First: the worker's uncle saws a 1-meter-high cylindrical timber, which is divided into two parts along the diameter of the bottom surface. At this time, the surface area increases by 0.8 square meters. Find the original surface area of the timber The second: a section of iron sheet sewer is 2.5 meters long, with a bottom radius of 1. 2 cm at the joint. How many square meters of iron sheet should be used to make this section of sewer? We are optimistic about the unit, if you can talk about why to do so
- 15. 2 practical questions 1. Aunt Zhang used 8 tons of water last month, and the water charge was 24 yuan. Granny Li used 10 tons of water. How much was Granny Li's water charge last month? 2. To lay square bricks on the floor of a house, it needs 2000 bricks with a side length of 5 decimeters. If it is changed into 4 decimeters, how many bricks do it need?
- 16. Calculation questions What is the quotient of 2133 minus 201 divided by 12?
- 17. 6-year-old mathematics practical problems Use several squares with unit length of 1 to make a rectangle with area of 12. Q: what is the circumference of the rectangle? Please write all the possible answers
- 18. The number of books in Liangliang's collection is just 5 times. If you just give Liangliang 25 books, then the number of books in Liangliang's collection is just 7 times. Liangliang has () books and () books
- 19. 3. After the heavy snow, Xiao Ming and his father walk together to measure the perimeter of a circular garden. Their starting point and direction are exactly the same. Xiao Ming's average step length is 54 cm, and his father's average step length is 72 cm. Because their footprints overlap, and they all return to the starting point after a walk, only 60 footprints are left on the snow. How many square meters is the area of the garden? 4. The charges of tap water in a city are as follows: 1.8 yuan per ton for each household less than 4 tons of water, 3 yuan per ton for each household more than 4 tons of water, 26.4 yuan for each household a and B in a month, and the water consumption ratio is 5:3. How many yuan for each household a and B? 5. When parents and grandmothers travel by air, the quality of their luggage exceeds that of the free luggage. They have to pay extra. They pay 4 yuan in total, and their luggage weighs 150 kg in total. If one person is allowed to take the luggage, they will pay 8 yuan in addition to the free part?
- 20. The practical problem of seeking the distance A passenger car and a freight car start from a and B at the same time, and run opposite each other for 3 hours. After meeting, the two cars continue to move forward at the original speed. The passenger car reaches B after 2 hours. At this time, the freight car is 110 kilometers away from A. how many kilometers are there between a and B?