2. Light blue height 134 cm, Dongdong is 5 cm higher than light blue. How many centimeters is Dongdong tall?
3. There are 257 boys and 235 girls in the third grade of Red Scarf Primary School. There are 387 people who have undergone physical examination. How many people don't?
The library has lent out 456 books, and there are 207 books left, and now it has returned 285 books. How many books are there in the library now?
5. Red Scarf Primary School bought 380 balls and 70 soccer balls, and borrowed 423 balls during extracurricular activities. How many balls are left in the school now?
6. Class 3 (2) donated 400 books, and there are 273 books left. Now it has bought 125 books. How many books are there in Class Three (2)?
7. Dongdong wants to buy a 3 10 yuan scooter, which has been deposited in 200 yuan. If he deposits in 30 yuan every month, a few more months will be enough.
8. The students of Dongfanghong Primary School donated 900 books for Project Hope, including 326 story books, 475 science books and the rest comic books. How many comic books are there?
9. The side length of a square is 8 cm. If its side length increases by10cm, how many centimeters will its perimeter increase?
10. The circumference of the rectangular playground is 400 meters, and the length is three times the width. What is the length and width of this playground?
1 1. There are two identical rectangles, 8 decimeters long and 4 decimeters wide. If you put them together into a rectangle, what is the circumference of the rectangle? What is the circumference of a square if it is spelled into a square?
12. Dongdong borrowed a 40-page science and technology book and returned it a week later. He intends to read six pages every day. Can he return it on time?
13. There are 44 students in Class 3 (2). The teacher is going to divide them into eight groups for discussion. How many people are left in each group?
14. A piece of 4-meter-long cloth can be cut into five vests of the same size. How much cloth does it take to make a vest?
15. A baby elephant weighs 4 tons. How many elephants can a large truck with a load 10 ton transport at a time?
16. 632 bags of dry bottles were sold in Hongqi chain store, 385 bags were sold and 200 bags were shipped. How many bags of dry bottles are there in the shop at this time?
17. The school bought 8 10 exercise books, and took them away from the first grade 168, and took them away from the second grade 165. How many books are left?
18. There are16 people in car 10 of a train. After arriving at a station, 58 people got off and 45 people got on. How many people were there in this car when we drove again?
19. A VCD costs 238 yuan and a scanner costs 458 yuan. Dad brought 800 yuan. Is it enough?
20. Uncle Zhang caught 700 Jin of fish, sold 523 Jin in the morning, and sold 394 Jin less in the afternoon than in the morning. (1) How many Jin did you sell this afternoon? (2) How many kilograms did a * * * sell on this day? (3) How many kilograms are left?
2 1. Xiaoming and his sister go to the bookstore together. My sister bought an English dictionary in 87 yuan, and Xiaoming bought a science book in 24 yuan. My sister paid the cashier 150 yuan. How much should I get back?
22. Make a picture frame 30 cm long and 26 cm wide. What is the circumference of the photo frame at least?
23. Make a big rectangle with two rectangles 4 cm long and 3 cm wide. What is the circumference of a big rectangle?
24. The playground of Xiangyang Primary School is rectangular, with a length of100m and a width of 65m. Xiao Qiang ran around the playground twice. How many meters did Xiao Qiang run?
25. There are 3 students1person and 2 teachers. Each ship is limited to four people. How many boats should I rent at least?
26. A pair of China chess 16 yuan, a pair of checkers 12 yuan, and a pair of Go is three times the sum of a pair of China chess and a pair of checkers. Xiao Ming takes 80 yuan, is it enough to buy a pair of Go?
The students proposed to donate 400 books to the Hand in Hand school. 58 books were donated from grade one to grade six. How many books do I have to donate to reach 400?
28. Planting trees in spring. Plant 12 in the fifth grade and 16 in the sixth grade. The number of trees planted in the whole school is three times that of the fifth and sixth grades. How many trees have been planted in the whole school?
29. There used to be 30 students, but now there are 15 students. There are five students in a row. How many rows can they line up?
30. Make a square with a 36 cm iron wire. How long are the sides of this square?
3 1. If a rope is 25m long, cut off10m first, and make a short jump rope every 2m for the rest. How many short jump ropes can you make? How many meters are left?
32. Cut a rectangular piece of paper with a length of 36 cm and a width of 18 cm into two squares. What is the circumference of a square?
33. A rope is five times as big as 45 meters, and a wire is seven times as big as this rope. How long is this wire?
34. To build a 945-meter road, 354 meters were built in the first month, 276 meters in the second month, and how many meters will it take in the third month?
35. The supermarket sold 153 kg of rice in the morning, and there were 56 more bags in the afternoon than in the morning. How many bags of rice did the worker sell today?
The fruit shop returned 54 baskets of fruit, 48 of which were apples and the rest were pears. How many times are baskets of apples bigger than pears?
37. A car travels 55 kilometers per hour. According to this calculation, how many kilometers can you drive in 4 hours?
38. The feeding group raised 32 white rabbits and 26 black rabbits. The number of grey rabbits is less than the total number of white rabbits 18. How many gray rabbits will you raise?
39. The road repair team has built a road, which has been repaired for 550 meters, and the rest is four times as much as it has been repaired. How many meters are left? How long is this road?
40. Mingming has 42 petrol tickets, Fangfang has more than Mingming 14. How many stamps do they have?
4 1. There are 24 Metasequoias on campus, and the number of pine trees is three times that of Metasequoias. How many Metasequoias and pine trees are there? How many Metasequoia trees are fewer than pine trees?
42. There are 35 black swans, and the number of white swans is three times that of black swans, with eight more. How many white swans are there?
43. Aunt Wang went to buy three footballs, each 28 yuan, and paid the salesperson 100 yuan. How much did she get back?
44. The rectangular playground is 55 meters long and 35 meters wide. Xiaohua ran two full laps along the playground. How many meters did he run?
45. Class Three (1) borrowed 29 books, Class Three (2) borrowed 38 books and Class Three (3) borrowed 34 books, less than the sum of Class One and Class Two. How many books did Class Three (3) borrow?
46. The fruit shop sent 850 Jin of apples, and sold 286 Jin in the morning and 354 Jin in the afternoon. How many kilograms are left?
47. If a rope is 25 meters long, cut off 10 meter first, and make a short jump rope every two meters for the rest. How many short jump ropes can you make? How many meters are left?
48. Xiaohong, Xiaoying, Xiaolan and Xiaoping have a table tennis match. Every two people play once, how many times will a * * * play? Please write them down.
49. The fruit shop returned 650 Jin of apples, sold 385 Jin, and some returned 270 Jin. How many kilograms of apples are there in the fruit shop now?
50. The third-grade students of Hongxing Primary School took four buses for a spring outing. The first three carriages each carry 68 students, and the fourth carriage carries 74 people. How many people went for a spring outing?
5 1. An article is 600 words. Xiao Fang's father can type 67 words per minute on average. Can he finish it in 9 minutes?
52. There are 26 people on the playground. The number of runners is more than that of jumping 10. How many people can't run?
53. The supermarket sold 176 bags of rice in the morning, and sold 43 more bags in the afternoon than in the morning. How many packages did * * * sell on this day?
54. A wire is 84 cm long. How many centimeters are left after making a square frame with a side length of 16 cm?
55. The Children's Palace has 48 dance teams and 27 musical instruments, and the number of chorus teams is twice as large as the total number of dance teams and musical instruments. How many people are there in the choir?
56. There are 38 sweets, which are distributed to 7 children on average. How much per person? How much is left?
57. A rope with a length of 19 meters should be cut off by 8 meters, and the rest should be made into a short skipping rope every 2 meters. How long can you jump rope and how many meters are left?
58. The screen of TV is rectangular. Its width is 34 cm, which is shorter than its length 10 cm. What's its circumference?
59. The length of a rectangular vegetable field is 75 meters, but its width is three times. What is the perimeter and area of this vegetable field?
60. A square vegetable garden is surrounded by a 24-meter fence. What is the area of this vegetable garden?
6 1. A rectangular artificial skating rink, 25 meters wide and 2 meters short. What is the circumference and area of this skating rink?
62. A basketball court is 26 meters long and twice as wide. What is the circumference of this basketball court? How many square meters does it cover?
63. The playground of Zhuhuan Square is three times * * * 1200m. How many meters are there on each side of the playground?
64. The rectangle is 8 cm long and 3 cm wide. How many centimeters must be added to make this rectangle into a square? How many square centimeters is the area of a square more than that of this rectangle?
65. There is a rectangular meadow, which is14m long and 9m wide. Now it is necessary to expand the grassland, with the length increased by 7 meters and the width increased by 3 meters. What's the area now? How many meters is the length of this grassland less than it is now?
66. There are 250 monkeys in the zoo, of which male monkeys are nine times as many as female monkeys. How many male monkeys are there in the zoo?
67. Children of one grade line up. If they line up in a row of nine people, they can line up in 38 rows, leaving eight people. If there are eight of them in a row, how many rows can they row? How many people are left?
68. Children in three classes make toys. A class made 48 toys and gave them to 15 kindergarten. The rest are evenly distributed to the first three classes of senior high school. How many can I get in each class?
69. At the sports meeting, Xiaoming jumped rope 297 times in 3 minutes and Xiaohong jumped rope 2 minutes 170 times. Who jumps faster? How many times faster per minute on average?
70. A Story Club has 265 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?
7 1. Uncle Li keeps 200 chickens. On the first day, he sold 128 chickens. On average, each chicken can be sold to 9 yuan. How much can Uncle Li sell this day? The remaining chickens are sold the next day, and every 8 chickens are packed in a cage. How many cages can you hold?
72. The fruit shop sent a basket of watermelons, a ***920, each basket can hold 8 watermelons. There are 120 baskets now. Is it enough?
73. Xiaoming can type 279 words in 3 minutes and Xiaohua can type 432 words in 4 minutes. Guess who can type fast? If Xiao Ming typed an article and it took 5 minutes, how many words were there in the article?
The flower shop brought 600 lilies, roses and chrysanthemums. Four roses for every three lilies, and five chrysanthemums can be tied into a bunch. How many bunches can these flowers be tied into at most?
Which is more expensive, the 75.4 poplar seedlings in 48 yuan or the 3 pine seedlings in 63 yuan?
76. 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?
77. Uncle Li keeps 82 cocks and 558 hens at home, and the number of chickens raised is five times that of ducks. How many chickens and ducks are there?
78. A highway is 450 meters long. How many trees should workers plant every 5 meters on one side of the expressway? (Plant both ends) 1 19. A workshop in the garment factory made 285 clothes from 8 am to 15 am. How many clothes do they make per hour on average?
80. Mark surnamed Zhao, when calculating a division, took the divisor 7 as 9, and the quotient became 14. Would you please tell him the correct answer?
8 1. Miss Wang spent 703 yuan on three books: Chinese, Mathematics and English. Every language book, 9 yuan 6 yuan, she bought 1 1 1 book. If the number of three books is the same, how much are English books?
82. The primary school starts from 1 September, and the holiday time is 65438+1October 20th. How many days are there in the whole semester?
83. Xiaoming eats fruit. He eats half the fruit in the fruit basket every day. On the fourth day, he found that there was only one fruit left after eating. How many fruits were there in the basket at first?
84. Xiao Ming saw a formula as follows: 7□4÷8 Q: How many numbers are written in it, and the quotient is two digits?
85. There are five basketballs in the gym, and one shelf can hold six rows. Every three shelves occupy a sports room. How many sports rooms does it take to put 200 basketballs?
86. The children picked apples, five people picked them for seven days, and one * * * picked 735 Jin of apples. How many kilograms does each person pick every day?
87. Children line up for the bus, Xiao Zhao is on the 54th, and Xiao Liu is on 138. Each bus has six seats. Which bus are they on?
88. A dress 158 yuan, a pair of pants 165 yuan. All clothes are sold at half price. How many clothes can I buy with 900 yuan (note: clothes and pants add up to one)?
89. There are five cowsheds in the cattle farm. There are six cows in each cowshed, and each cow eats 18 Jin of grass on average. How much grass does Niu Yi eat every day?
90. Class 4, Grade 3 bought the following items with the 200 yuan class fee: skipping rope 4 yuan, football 9 yuan and checkers 6 yuan. Sorry, the money has run out. What are your plans?