An elephant in the park eats 350 kilograms of food a day, and the keeper has prepared 5 tons of food, which is enough for the elephant to eat for 20 days?
3. The school should 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?
4. Each set of large sportswear 145 yuan, each set of small sportswear 128 yuan, 34 sets of large sportswear and 25 sets of small sportswear.
(1) How much are two kinds of sportswear?
(2) How much does a * * * cost?
5. The school needs to add 44 sets of desks and chairs, each desk 128 yuan and each chair 17 yuan. How much will it cost?
6. Every tree seedling 16 yuan, buy 3 trees and get 1 tree. How much cheaper is it to buy three at a time?
7. Shopping centers hold promotional activities. 20 yuan bought four bags of washing powder for each bag, and mom bought four bags. How much is each bag cheaper?
8. Jianlibao costs 2 yuan 40 cents per bottle. Buy three bottles and get one free. Buy three bottles at a time. How much cheaper is each bottle?
9. It took a car five hours to walk from A to B at a speed of 64 km/h and only four hours to come back. What is the speed of the car when it returns?
10. Xiaohong's family went to travel by car. The speed of the car is about 65 kilometers per hour. It took six hours on the first day and seven hours on the second day. How many kilometers have you walked in two days?
1 1. On Sunday, Wang Liang went climbing. It took him 15 minutes to climb from the foot of the mountain to the top, and it took him 9 minutes to return to the foot of the mountain from the original road. As we all know, the speed of climbing mountains in Wang Liang is 60 meters per minute.
(1) How far is it from the foot of the mountain to the top of the mountain?
(2) How many meters did Wang Liang walk every minute when he came back?
12. A car traveled from A to B at a speed of 60 km/h for 3 hours, and then traveled at a speed of 80 km/h for 2 hours, just arriving at B. How many kilometers are there between A and B?
13. The length of the right rectangle is increased to 54m, and the width remains unchanged. What is the area of the rectangle after the increase?
27 meters
14. The width of the rectangular green space below should be increased to 24 meters, with the same length. What is the expanded green area?
8 meters
15. The length and width of the rectangular green space below should be increased by 60 meters. How many square meters is the green area after expansion?
30 meters
16 mom is going to buy 6 kilograms of apples and 4 kilograms of bananas. How much should she pay?
17. The price of 2 kilograms of apples and 3 kilograms of bananas in the convenience fruit shop is 10 yuan. Mother is going to buy 6 kilograms of apples and bananas each. How much should she pay?
18. Basketball 12 yuan/piece, football 1 1 yuan/piece. The teacher brought 50 yuan and needed to buy three balls. How many ways can he buy it?
19. Teacher Zhang brought 5000 yuan to buy 25 identical tape recorders for the school. The price of each tape recorder in the store is 154 yuan, 176 yuan, 198 yuan and 2 16 yuan. How many kinds of purchase schemes does teacher Zhang have? How much is left?
20. The school is going to distribute exercise books to class 15, with 44 copies for each class15, and 40 copies need to be reserved. How many exercise books should schools buy?
2 1. The road team built a road, and it needs to be repaired every day 165 meters. It has been built for 18 days, and it still needs 120 meters to complete the task. How long is this road?
22. A calculator 24 yuan, Miss Li wants to buy four. He brought 100 yuan. Is it enough? 23. An elephant in the park eats 350 kilograms of food a day. The breeder has prepared 5 tons of food, enough for the elephant to eat for 20 days? 24. The school should add two new books to the library, one is the children's encyclopedia, each set is 125 yuan, and the other is mathematical conjecture, each set is 18 yuan, each set is 3 sets, and how much is it? 25. each set of big sportswear 145 yuan, each set of small sportswear 128 yuan. Buy 34 sets of big sportswear and 25 sets of small sportswear. (1) How much are two kinds of sportswear? (2) How much does a * * * cost? 26. The school needs to add 44 sets of desks and chairs, each desk 128 yuan and each chair 17 yuan. How much will it cost?
27. For each tree seedling 16 yuan, buy 3 trees and get 1 tree. How much cheaper is it to buy three at a time?
28. A tit can eat about 800 pests in five days. According to this calculation, how many pests can a titmouse eat in a month? A month is 30 days. )
29. A bus travels for 3 hours 174 km. At this speed, how many kilometers can 12 hour travel?
Grandpa Zhang bought three lambs and spent 75 yuan. He wants to buy five more lambs. How much will it cost?
3 1, 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?
32. Yu Ying Primary School 180 Young Pioneers helped military families to do good deeds on "Love Day". These young pioneers are divided into five teams on average, and each team is divided into four groups. How many young pioneers are there in each group on average?
33. Uncle Liu took 700 yuan to buy fertilizer, bought 16 bags of fertilizer, and left 60 yuan. What's the price of each bag of fertilizer?
34. Eggs collected at Chunya Chicken Farm on Monday were packed in a box of 18kg. After 8 cases are packed, there is 16kg left. How many kilograms of eggs were collected on Monday?
35. Uncle Wang drove from the county seat to Wangzhuang to deliver fertilizer. It took six hours to walk 40 kilometers per hour when I went there, and only five hours when I came back. How many kilometers per hour did you average when you came back?
36. A long-distance bus traveled for two hours in the plains and mountains, and finally reached the top of the mountain. It is known that tourist buses travel 50 kilometers per hour in plain areas and 30 kilometers per hour in mountainous areas. How long will this trip take?
37. 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?
38. The school is going to distribute exercise books to class 15, with 44 copies for each class15, and 40 copies for later use. How many exercise books should schools buy?
39, a tree seedling 16 yuan, buy 3 trees to get 1 tree. How much cheaper is it to buy three at a time?
40. Shampoo per bottle 15 yuan. The mall will hold a promotion activity, and buy 4 bottles for free 1 bottle. Buy four bottles at a time. How much cheaper is each bottle?
4 1. A panda needs to eat 15 kg of feed a day. The zoo has prepared 24 bags of feed, each bag is 20kg. Is this enough for pandas to eat for 30 days?
42. It took six hours for the car to deliver from A to B, with a speed of 32 kilometers per hour. It only took four hours to get back. What is the speed of coming back?
43. Xiaoming climbed the mountain for 4 hours, traveling 3 kilometers per hour, and the downhill speed was accelerated, 6 kilometers per hour. How long did it take to go down the mountain?
44. The workshop originally planned to produce 15 machines per day, which could be completed in 24 days. In fact, it produces 18 machines a day, which actually takes only a few days to complete.
45. The experimental primary school should buy a composition guidance book at 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?
46. Travel 370 people, and each car will take 30 people. How many cars do you need to complete this trip?
47. There are 450 kilograms of rice. How many days can I eat 60 Jin a day?
48. The auditorium of the school has 28 seats in each row, and the fourth grade 180 students. How many lines can you fill in? How many people are left?
49. Uncle Liu took 800 yuan to buy chemical fertilizer. I bought 16 bags of fertilizer, and 80 yuan was left, each bag of fertilizer.
What is the price?
50. A bus travels for 3 hours 174 km. At this rate, it will take six hours.
How many kilometers is it? How many kilometers can you walk in six hours? You must first ask:
Column solutions:
5 1. It took Uncle Li three hours to transport the goods from Foshan to Dongguan. The speed of the truck is 40 kilometers per hour, and it only takes two hours to get back. How many kilometers per hour did Uncle Li drive when he came back?
52. It takes 12 hours for the train to travel from A to B, with an average speed of 72 kilometers per hour. After the train speeds up, the speed is 96 kilometers per hour. How many hours does it take for the train to go from A to B now?
53. Xiaohong walks 70 meters per minute on average and walks from home to school 10 minutes. If she wants to walk to school in seven minutes, how many meters does she have to walk every minute? If you walk 50 meters per minute, how many minutes can you get to school?
Xiaoming took some money to buy stationery. If he buys a pencil for 50 cents, he can buy eight. If he buys an eraser for 40 cents, how many can he buy? You can buy five exercise books if you use the money. How much is each?
55. The construction team built a section of road. It was originally planned to build 45 meters a day and complete it in 8 days. Actually, it only took six days to fix it. How many meters does it actually repair every day?
56. In the sales department of washing machine factory, three washing machines were sold in the morning and five identical washing machines were sold in the afternoon, and the payment for goods in the afternoon was more than that in the morning 15 12 yuan. How much is each washing machine?
57. The sales department of washing machine factory collected 2268 yuan in the morning and 3780 yuan in the afternoon, and sold two more washing machines in the afternoon than in the morning. How much is each washing machine?
58. The sales department of washing machine factory collected 2268 yuan in the morning and 3780 yuan in the afternoon, and sold 8 washing machines all day. How much is each washing machine?
A car runs for 3 hours in the morning and 5 hours in the afternoon. Afternoon is longer than morning100km. How many kilometers per hour on average?
59. A car traveled 120km in the morning and 200km at the same speed in the afternoon. The afternoon is two hours longer than the morning. How many kilometers per hour on average?
60. 3 boxes of towels, each box 12 packs, each box with 20 pieces. * * * How many towels are there?
6 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?
62. There are some towels. If placed in 3 boxes, each box will contain 240 towels. If it is put in 4 boxes, how many pieces are put in each box on average/
63. The factory requires each person to produce 36 parts per day. Master Wang completed the task for three days in two days. How many does he actually make every day?
64. How much does it cost to buy 28 such desks?
65. Miss Li brought 900 yuan money to buy milk for the kindergarten. I bought 16 boxes of 55 yuan. How much is left?
66, a washing machine 450 yuan, a laptop than washing machine 12 times more than 375 yuan. How much is a laptop?
67. What kinds of saplings are there? How much more?
68. A titmouse can eat about 800 pests in five days. According to this calculation, how many pests can a titmouse eat in a month? A month is 30 days. )
69. A bus travels for 3 hours 174 km. At this speed, how many kilometers can 12 hour travel?
70. Grandpa Zhang bought three lambs and spent 75 yuan. He wants to buy five more lambs. How much will it cost?
7 1, 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 you brew a year?
72. Yu Ying Primary School 180 Young Pioneers helped military families to do good deeds on "Love Day". These young pioneers are divided into five teams on average, and each team is divided into four groups. How many young pioneers are there in each group on average?
73. Uncle Liu took 700 yuan to buy fertilizer, bought 16 bags of fertilizer, and left 60 yuan. What's the price of each bag of fertilizer?
74. Eggs collected at Chunya Chicken Farm on Monday were packed in a box of 18kg. After 8 cases are packed, there is 16kg left. How many kilograms of eggs were collected on Monday?
75. Uncle Wang drove from the county seat to Wangzhuang to deliver fertilizer. I walked 40 kilometers per hour for three hours when I went there, and only two hours when I came back. How many kilometers per hour did you average when you came back?
76. A long-distance bus traveled for two hours in the plains and mountains, and finally reached the top of the mountain. It is known that tourist buses travel 50 kilometers per hour in plain areas and 30 kilometers per hour in mountainous areas. How long will this trip take?
77. Schools should add two new books to the library, each with three sets. It is known that each set of children's encyclopedias 125 yuan, and each set of mathematical conjectures 18 yuan. * * * How much?
78. The school is going to distribute exercise books to class 15, with 44 copies for each class15, and 40 copies for standby. How many exercise books should schools buy?
79, a tree seedling 16 yuan, buy 3 trees to get 1 tree. How much cheaper is it to buy three at a time?
80. Shampoo per bottle 15 yuan. The mall will carry out promotional activities. Buy 2 bottles and get 1 bottle. Buy two bottles at a time. How much cheaper is each bottle?
8 1, a bunch of flowers 20 yuan, buy 4 bunches to get 1 bunch. Aunt Li buys 4 bundles at a time. How much cheaper is each bundle?
82. The auditorium of the school has 28 seats in each row, with Grade Four 180 students. How many lines can you fill in? How many people are left? (6 points)
83. Uncle Liu took 800 yuan to buy chemical fertilizer. I bought 16 bags of fertilizer, and 80 yuan was left, each bag of fertilizer.
What is the price? (6 points)
84. A bus travels for 3 hours 174 km. At this rate, it will take six hours.
How many kilometers is it? (8 points)
How many kilometers can you walk in six hours? You must first ask:
Column solutions:
85. The fourth-grade students like the following sports. (10)
Table tennis, football, running, swimming and skipping.
Boys 17 18 8 14 7
Girl 13 4 6 13 16
Please make a composite bar chart according to the above data.
Which sport do boys like best? Which sport do you like least?
(2) Which project do you like best? Which project do you like least?
(3) What other math questions can you ask?
There are 204 boys and 2 16 girls in Lizhuang Primary School. If every 20 people stood in a row, how many rows would a * * * stand?
87. Teacher Liu bought a badminton racket in 40 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?
88. Hu Lin Hotel used 279 tons of water in August. How many tons of water is used on average every day?
89. Master and apprentice process similar parts, with master processing 249 pieces and apprentice processing 83 pieces. How many times the number of parts processed by the master is that of the apprentice?
90. The waterway between Port A and Port B is 384 kilometers long. Xiaoming boarded the ship from A at 7: 00 a.m. and arrived at B at 7: 00 p.m. ... how many kilometers does this passenger ship travel on average per hour?
9 1, a 300-page story book. Xiaoming plans to read 42 pages every day. Can he finish it in a week?
92. A road repair team has to repair 726 meters of road, and has already repaired 285 meters. How many days will it take if the rest is repaired 63 meters a day?
93. Jianghua Machinery Factory used 558 tons of coal in July and August this year. How many tons of coal are used on average every day in these two months?
Students in Grade 94 and Grade 4 made 80 red flowers and 70 yellow flowers. If every 25 flowers are garlands, how many garlands can these flowers be?
Students in Grade 95 and Grade 4 made 150 paper flowers. After giving 60 flowers to kindergarten children, the rest are tied into 5 garlands. How many paper flowers are there on average in each garland?
96. The students of Yungang Primary School performed group calisthenics in five phalanxes, with 9 rows in each phalanx and 0/4 people in each row. How many people are there in the group gymnastics performance?
97. 630 students from Yungang Primary School performed group calisthenics in five phalanxes. If there are 9 rows in each square, how many people are there in each row on average?
98. How many boxes of juice can Xiaoling buy with 25 yuan and 200 yuan? If the price of each box of juice drops to 5 yuan, how many boxes can Xiaoling buy with the money?
99. There are 780 apple trees and 5 rows of pear trees in the orchard, each row has 12 trees. How many times are there more apple trees than pear trees?
100, a pile of sand is 240 tons, which was transported five times by six identical trucks and just finished. How many tons does each truck transport on average?