There are 24 Metasequoias on campus, and the number of pine trees is three times that of Metasequoias. How many Metasequoia and pine trees are there? How many Metasequoia trees are fewer than pine trees?
There are 28 black swans in the park, and the number of white swans is only three times more than that of black swans. How many white swans are there?
I borrowed books from the library in the third grade. I borrowed 420 books in the morning and 20 more books in the afternoon than in the morning. How many books did you borrow on the third day?
4. Make a big rectangle with a side length of 1cm with six small squares. What is the length and width of this rectangle? How many centimeters is the circumference?
The rectangular playground is 55 meters long and 35 meters wide. Xiaohua ran twice along the playground. How many meters did he run?
6. Circle a square with a side length of 8 cm accurately with a line. How long is this line?
7. The fishing ground released 896 fry last year, and the number of fry released this year is twice that of last year. How many have been issued this year?
8. In the morning, three groups of students visited the Science Museum, with 169 people in each group, and another 2 13 students visited in the afternoon. How many students come to visit on this day?
9. A Niu eats 32 kilograms of grass a day. How many kilograms of grass do two cows eat in four days?
10, there is a piece of land for growing tomatoes, eggplants and watermelons. How much is watermelon?
extreme
1. Each person can assemble 14 bicycles every day. According to this calculation, 8 people work for 7 days. A * *, how many bicycles are assembled?
2. The army has been reading books for five days, reading 24 pages every day, and the remaining 10 pages have not been read. How many pages are there in this book?
There are 25 boys and 23 girls in Class Two, Grade Three. Every four people get a football. How many footballs do I need to prepare?
4. Xiaohong reads a story book with 154 pages. The pages of a science and technology book read by her father are four times that of this story book, 58 pages more. How many pages of science books has her father read?
A tractor can transport 2 tons of goods per hour. According to this calculation, how many tons can six such tractors transport in five hours?
6.59 students made a parade. Rent a boat for every five people. * * * How many boats do you need to rent?
7. The feeding group raised 68 rabbits. If there are six cages, how many cages do you need?
8. A long rope is 25 meters, and a skipping rope is made every 2 meters. How many skipping ropes can a * * * make?
9. A story book has 86 pages. Xiaohua reads 6 pages every day. When did he finish it?
10, a desk 60 yuan, more expensive than a chair 34 yuan, how much is a set of desks and chairs?
Tisso
1, 39 students are skipping rope on the playground. How many groups can every three be divided into?
Which is more expensive, 4 poplar saplings at 2.48 yuan or 3 pine saplings in 63 yuan?
3. Three (1) class children made toys, and one * * * made 48 toys for the kindergarten 15. The rest are evenly distributed to the first three classes of senior high school. How many can I get in each class?
4. Teacher Zhang took 100 to the mall and bought three small soccer balls, and found 7 yuan. Do you know how much each little football is worth?
5. A "Story King" has 65 pages. Xiaoming plans to finish reading in 4 days, and Xiaohua plans to finish reading in 6 days. How many pages does Xiaoming read on average every day? Where is Xiaohua?
6. Zhang has raised 18 ducks, and the number of chickens is twice that of ducks. How many chickens and ducks does Zhang Dabo keep?
7. There are 45 buses in the parking lot, and 17 is more than buses. How many buses and cars are there?
8. Obviously, there are 42 stamps, and Fangfang is less than him 15. How many stamps do they have?
9, a coat 45 yuan, pants are cheaper than a coat 12 yuan, how much does it cost to buy a suit?
10, the white rabbit pulled out 14 radish, and the little gray rabbit pulled out three times. How many trees did the white rabbit pull out less than the gray rabbit?
Article 4
1. A car starts from Shanghai at 8: 00 a.m. and travels 55 kilometers at a time, and arrives in Nanjing at 6: 00 p.m. Do you know how far it is from Shanghai to Nanjing?
2. Uncle Wang raised 45 white rabbits, with fewer black rabbits 18. How many rabbits does Uncle Wang keep?
Uncle Li raised 800 chickens last year, and the number of chickens raised this year is three times that of last year. How many chickens have you raised this year?
4. The store shipped 455 kilograms of pears, and the apples shipped were three times less than pears 160 kilograms. How many kilograms of apples did this shop ship?
The railway from a city to b city is 560 kilometers long. A train goes from city A to city B at a speed of118km per hour. Can it arrive in 3 hours?
6. Master Wang processed 48 pieces in the morning and 56 pieces in the afternoon. According to this calculation, he works five days a week * * * How many parts are processed?
7. There are 58 boys and 44 girls in the science and technology group, and the number of literary and art groups is twice that of the science and technology group. How many people are there in the art group?
8. Xiaoli runs to school, averaging 84 meters per minute. Three minutes later, she just finished half the journey. How far is her home from school?
9. The school basketball court is 26m long and14m wide. I ran five times around the basketball court. How many meters did * * * run?
10, Master Wang and Li Shifu made a batch of parts together, and Master Wang finished 4/9 and Li Shifu finished 5/9. Who handles more? How much more processing is needed for this batch of parts?
chapter five
1, Li keeps 200 chickens. On the first day, he sold 128 chickens. On average, each chicken can be sold to 9 yuan. How much did Li Can Dabo sell today? The remaining chickens are sold the next day, and every 8 chickens are packed in a cage. How many cages can you hold?
Forty-eight students went to collect insect specimens. Every three students are divided into a group. How many groups can they be divided into?
The students want to plant 93 trees, and have already planted 18 trees. The remaining saplings were equally distributed to five groups. How many trees will each group plant?
4. The precipitation in Shanghai in June is 42 mm, which is less than that in June 14 mm. What is the rainfall in June and July?
This toy factory can produce 600 toys per hour. How many toys can it produce from 10 am to 2 pm?
6. Square garden with side length 15m. What's its circumference?
7. Put a fence around a rectangular piece of land with a length of 16m and a width of 8m. How long is the fence?
8. There are *** 108 children who learn painting in Children's Palace, and the children who learn calligraphy are 36 times less than those who learn painting. How many people study calligraphy in Children's Palace?
9. Each skipping rope is 2 meters long. How many skipping ropes can a 65-meter-long rope cut? How many meters are left?
10, Miss Li bought two pairs of badminton rackets, paid 70 yuan and found 6 yuan. How much is each badminton racket?
Article 6
1, 288 students from Grade Three visited the Science and Technology Museum and were divided into two teams on average. Each team is divided into three groups on average. How many people are in each group?
3 students took part in the oral arithmetic competition. Zhang Hua did 375 questions in 5 minutes, Li Ming did 186 questions in 3 minutes and Lu Lu badminton did 2 13 questions in 3 minutes. Please rank them.
3. Xiaoming's home is 2km away from school, and Xiao Qiang's home is1500m away from school. What is the farthest distance between two classmates' homes? How many meters apart recently?
The students donated 386 yuan to the children who dropped out of school. Average donation of two classes in senior three 138 yuan. How much is the donation for grade three?
5. The TV factory wants to produce 120 TV sets, which has been produced for 6 days, and there are still 30 short. How many TV sets are produced on average every day?
6. There is a batch of cement in the cement factory, and 268 bags have been dismantled, 68 bags less than those dismantled. How many bags are there in this batch of cement?
7. Uncle Wang has raised 20 geese, the number of ducks is five times that of geese, and there are 28 fewer chickens than ducks. (Ask two questions of two-step calculation and then answer them)
8. The students went for a spring outing, and 60 people went to Grade Three. There are twice as many people in the sixth grade as in the third grade. How many people went there?
9. The garment factory has to process 8,000 sets of garments, and has already processed 4,500 sets. The rest will be processed in five days. How many sets will be processed on average every day?
10, grandma Zhang does exercises. She runs around a square playground with a side length of 200 meters five times a day. How many meters does she run every day? How many kilometers?
Article 7
1, a popular science book, Xiao Ming is going to finish it in 6 days. How many pages does he read on average every day?
The students made 80 paper flowers, and tied a bunch of them every five. How many bundles can they play? Tie a bunch of flowers every four. How many bundles can you play?
The unit price of an exercise book is 40 cents. With this 5 yuan money, how many such exercise books can Miss Wang buy at most?
4. Xiaohua went to the store to buy drinks, bought five bottles, paid the salesperson 100 yuan and took them back to 35 yuan. How much is each bottle of drinks?
Students go to the orchard to take part in voluntary labor. There are 40 male students and 38 female students. Every six people are divided into groups. How many groups can a * * * be divided into?
6. There are 26 boys and 22 girls in Class 3 (2). The class is divided into four teams on average. How many students are there in each team on average? If each student issues 2 math exercise books, how many math exercise books does the whole class need?
7. There are 18 boys in the school dance team, and the number of girls is twice that of boys. How many men and women are there in the dance team?
8. Nine girls went to the Observatory, and three times as many boys as girls. 1. Is a 40-seat car enough for you?
9. A batch of goods has been shipped out of 8 tons, and the rest is five times as much as shipped out. How many tons are there in this shipment?
10, Xiaoming bought 6 sets of sports pictures, each set of 4 yuan, and bought a red paint copybook of 15 yuan. How much did Xiaoming spend?
Jump bar
1. Students do exercises. Xiaohua made 75, Xiaoming made 85, and Xiaoqing made 30, which is less than Xiaoming's total in Obana. How many did Xiaoqing make?
2. There are 14 poplars in the school, the number of poplars is twice that of pine trees, and there are 4 more willows than pine trees. How many willows are there?
3. There are 46 students in Grade Three (1), including 2 girls. How many more boys than girls?
There are 7 big monkeys in the park, and the number of small monkeys is only 9 more than that of big monkeys. How many monkeys are there in the park?
5. Party A has 140 yuan, which is twice that of Party B. How much does Party A have?
6. A train departs from A to B at 5: 00 a.m. and arrives at B at 3: 00 p.m. according to the original plan, but the actual arrival time is 5: 00 p.m. sharp, two hours late. How many kilometers does the train actually travel per hour?
7.A train departs from A to B at 8: 00 a.m., and the speed is 60 kilometers per hour as planned. Arrived at B at 4 pm, but it was actually two hours late. How many kilometers does the car actually travel per hour?
8. Xiao Ning, Xiaohong and Xiao Jia went to buy pencils, Xiao Ning bought seven and Xiaohong bought five. Xiao Jia didn't buy it After returning home, the three men divided the pencils equally, and Xiao Jia took out 80 cents. How much should Xiao Jia give Ning? How much is Xiaohong?
9. The toy production team used to make 40 toys every day, but now the daily output is 10 times. How many more toys have been made than before?
10, pour milk into an empty bottle with a cup. If you pour two cups of milk, the bottle will weigh 450 grams. If you pour 5 cups of milk, how much does the bottle weigh * * * 750g, and how much does a cup of milk and an empty bottle weigh?
Partial wine
1. A game starts at 14: 45 and ends at 16: 18. How long did the game last?
2. Students go boating. There are 27 male students and 29 female students, and every four people have a boat. How many boats do I need to rent?
3. Uncle Wang has raised 15 geese, the number of ducks is four times that of geese, and there are 38 more chickens than ducks. How many ducks does Uncle Wang keep? How many chickens are there?
4. A painting, 50 cm long and 30 cm wide. Is it enough to use a piece of wood with a length of 150 cm as a border?
5. Each bag of salt weighs 500g. How many grams are there in six bags of salt? How many kilograms?
6. A total of 257 ducks were raised in poultry farms, with 5 ducks in each cage. How many chickens and ducks are raised on this farm?
This factory can produce 406 teddy bears every day. According to this calculation, how many teddy bears can be produced in five days?
8. A truck travels 850 meters per minute, and the car travels 50 meters more than the truck. How many meters does the car travel per minute?
9. A construction site delivered 180 bags of cement on the first day, and the number of bags delivered on the second day was twice less than that on the first day, 19 bags. How many bags of cement were delivered the next day?
10, each truck can hold 4 tons of goods at a time. How many tons of goods can one * * * transport five times with eight such trucks?
Article 10
1. There are 4 baskets of apples in the store, each of which is 55kg. We have sold 135 kg. How many kilograms of apples are left?
2. There are 24 people in the art group, and the number of people in the sports group is four times that of the art group. How many people are there in the two groups?
3.4 points for each box of chalk 1 yuan, and 6.2 points for each bottle of ink. The school bought 6 boxes of chalk and 5 bottles of ink. How much will it cost?
There are nine basketballs, and the number of football is eight times that of basketball. How many footballs are there?
There are 72 footballs and 9 basketballs. How many times are there more football than basketball?
6. There are 72 football, which is exactly eight times that of basketball. How many basketballs?
7. The school bought 6 boxes of books, each with 50 books, which were distributed to 4 grades on average. How many books are distributed in each grade?
8. Plant a tree every 5 meters on one side of the 3 km long expressway. How many sections should a tree be divided into?
Xiao Ming has to walk 200 meters from home to school. If he walks back and forth twice, how many meters will he walk?
10. There are 19 yellow balloons in the store. There are seven yellow balloons missing from Le Ballon Rouge, and the number of flower balloons is twice that of Le Ballon Rouge. How many?