1. There are 25 students in the school art group, and the singing group is more than the art group 17. How many people are there in the two groups?

Cong Cong is 9 years old, and her mother is four times as old as Cong Cong. Grandma is 75 years old this year. How old is grandma than mom?

3. The school bought 12 soccer balls, three fewer volleyball balls and five times more table tennis balls. How many ping-pong balls did you buy?

4. A piece of cloth is 60 meters, cut 5 meters at a time, cut 9 times, how many meters are left?

5. My brother is 9 years old, and my brother 15 years old. My father is four times older than my brother. He is three years old. How old is my father?

6. There are 7 boxes of pens in the shop, 8 pens in each box, and 28 pens have been sold. How many pens are left?

7. There are 4 people and 26 people in each room. How many rooms do you need at least?

8. Xiaoming read a story book. On the first day, he read six fewer books than the next day, and the next day he read 30. How many books did he read on the first day?

9. Xiao Fang borrowed a 70-page book for a week. She plans to read 9 pages every day. Can she finish it on time?

10, 32 students go boating, each boat is limited to 6 people, how many boats should I rent at least?

1 1, 5 The number of poplars and willows is three times that of poplars, and the number of pine trees is 20 more than that of willows. How many pine trees are there?

12, school cleaning, grade three, eight students sweep the floor, clean the table twice, and less than three clean the glass. How many students clean the glass?

13. Swallows can live for 9 years, and magpies live three times as long as swallows. Magpies live longer than swallows. How many teenagers?

14, primary school students participate in greening activities. The third grade students planted three trees, and the fifth grade planted four times as many trees as the third grade. How many more trees were planted in the fifth grade than in the third grade?

15. The workers make three pieces of clothes every day. How many pieces do the workers produce a week?

16. There are 5 boxes of wine glasses on the table, each with 3 cups. How many glasses are there in a box?

17, 5 buttons per dress, 5 clothes * * * How many buttons?

18, Jiang Jiang kicked shuttlecock 52 times, which was significantly less than that of Jiang Jiang 17 times. How many times did Yao Ming and Jiang play football?

19, Fangfang is 9 years old this year. Dongdong's mother is exactly four times the age of Fangfang. How old is Dongdong's mother this year?

20. A ticket to the zoo is 5 yuan.

(1) One * * *, how much is it to buy five tickets?

(2) Xiao Ming has 35 yuan. Is it enough to buy six tickets

28. A story book has 30 pages. Lucky reads five pages a day. How many days can you finish it?

If you finish reading in 6 days, how many pages will you read every day?

30, a table tennis 2 yuan, four badminton 12 yuan, which is cheaper? How much cheaper?

3 1. Tortoise and snail have a crawling competition on a 24-meter-long runway. The tortoise climbs 6 meters per minute, and the snail climbs 3 meters per minute.

(1) How long does it take for the little turtle?

(2) How long does it take for snails?

(3) Who is the champion?

32. Team 3 caught 42 bugs, team 1 caught 18 and team 2 caught 16. How many bugs did team three catch?

33. There are 35 dragonflies and butterflies in the flowers, 6 of them fly away, and 12 comes. How many dragonflies and butterflies are there in the flowers now?

There are 40 people in Class Two (1). How many people stand in five lines on average in physical education class?

If there are 8 lines on average, how many people will stand on each line?

There are 35 trucks and 24 cars in the parking lot. 17 The car has already left. How many cars are there now?

38. Xiaoming made 18 green flag and 32 red flag. Give kindergarten 14 noodles. How many noodles does Xiaoming have now?

39. There are 5 1 students in Class Two (2). 25 people jump rope and 8 people bounce the ball. The rest play football. How many people play football?

There are 73 trees, 26 apple trees and 38 apricot trees in the orchard. The rest are peach trees. How many peach trees are there?

4 1. There are eight black pigeons in the zoo, and the number of white pigeons is three times that of black pigeons. How many pigeons are there in the zoo?

42. A bottle of medicine, if you take 2 tablets three times a day, can be taken for 6 days. How many pills are there in this bottle?

43. There are 12 willows, 4 rows of poplars and 6 trees in each row in the campus. How many trees are there in the campus?

Xiao Ming planted five rows of radishes, nine in each row. 15 for the neighbors, how many are left?

45. Xiaoming's favorite kind of calcium tablets, there are 48 tablets in a bottle, and three tablets are taken twice a day according to the regulations. How many days can I take this bottle of calcium tablets?

46. In the conference room, there are 30 single chairs and 8 double chairs. How many people can sit in a room?

47. The canteen sent three carts of rice, each with eight bags. After eating 18 bags, how many bags are left?

48. A pack of biscuits is 25 yuan, which is divided among three people equally. How many pieces will each person share? How many pieces are left?

49, 8 ships, each ship is limited to 4 people, 1 large ship is limited to 6 people. How many people can these ships hold?

50、

Review of solving mathematical problems in the first volume of the second grade of primary school (2)

(List the formulas and write down the company name and "answer")

1, there are 18 buttons, each garment can be nailed with 5 buttons, how many garments can be nailed, and how many are left?

Thirty students dance in four rows. How many students are there in each row? How much is left?

3. There are 37 meters of cloth. How many sheets can you make every 5 meters? How many meters are left?

4. There are 18 trees and three rows are planted. How many trees are planted in each row on average?

There are 38 birds and 7 cages. How many birds are put in each cage on average? How much is left?

6. The teacher brought 58 yuan money to buy flowers. How many 6 yuan flowers can I buy for each bouquet? How much money is left?

7. There are 45 pieces in a box of chocolates. For eight children. How many pieces each? How many pieces are left?

8.35 boys throw sandbags in groups of 5. How many groups can they be divided into?

9. A * * * 26 balls, each with 3 balls. At least how many people can hold it?

10, there are 3 1 boats, and each boat can take 4 people. How many boats does a * * * need?

1 1.34 yuan money, how many pens can I buy for each 5 yuan? How much money is left?

12. There are 30 shuttlecocks, one box for every six. How many boxes can you put?

13, Xiao Ming and his classmates *** 15 are going to take a taxi home. Each car can seat four people. How many cars do you need?

14 and March have 3 1 day. How many weeks are there in this month? How many days are left? (Hint: 7 days a week)

15, 50 sweets are put in 8 boxes on average, and the rest are put in paper bags. How many sweets are there in the paper bag?

16,50 books, each class is divided into 6 books, how many classes can it be divided into? How many copies are left?

17. We bought 8/kloc-0 Chinese cabbages in the school cafeteria, with 9 Chinese cabbages in each basket. How many baskets can we hold?

18, every 6 cakes are packed in a box. 2 1 How many boxes can the cake hold? How much is left?

19, one piece of paper can cut seven five-pointed stars. How many pieces of paper does it take to cut 58 stars?

20, 8 balls in a box, 42 balls in at least how many boxes?

2 1, Xiao pang has 18 cakes, which are put on four plates on average. How many cakes are put on each plate? How much is left?

22. Xiaoling has money from 5 yuan. She wants to buy stamps at 60 cents each. How much can she buy? How many more cents?

23. There are nine willows in the green belt, and the number of pine trees is three times that of willows. How many pine trees are there in the green belt?

24. The school bought 6 science and technology books and 36 story books. How many times are there story books?

25. Mother bought 26 meters of printed cloth and made a dress every 3 meters. How many clothes can she make at most?

26, 45 jiaozi, a bowl can hold 8 jiaozi, how many bowls do you need?

27. Potato chips 5 yuan, milk 3 yuan, biscuit 6 yuan.

(1) Xiaohong bought 3 bags of milk. How much did it cost?

(2) Xiao Ming has just run out of money to buy things from 20 yuan. What can he buy and how many packs can he buy?

(3) What questions can I ask?

28. The bookstore sold 6 boxes of books on the first day and 18 boxes of books on the second day.

(1) How many boxes do you sell in two days?

(2) How many times was the box sales the next day?

29. In math class, children play games in groups of three and are divided into 8 groups.

(1) How many children does Yi * * have?

(2) If it is divided into 4 groups, how many people are there in each group?

30. There are 52 apples, and 9 people get an average score.

(1) How many can each person take? How much is left?

(2) How many apples do six people need?

3 1, Xiao Pang and five classmates made 30 red flowers and 12 orchids.

(1) How many flowers did a * * * make?

(2) How many flowers does each person make on average?

32. Xiaohe went to the bookstore to buy books. Little Dingding bought six books, and Xiao Pang bought four books, each 7 yuan. How much did they spend?

33. A pile of apples is distributed to five children on average, four for each child, and there are two left. How many apples are there in a box?

34. Honghong bought six books, each 8 yuan. She gave it to her assistant aunt 50 yuan. How much should she get back?

35. Mom bought 12 apples and 15 pears. If you want to bag them all, each bag can only hold 4 fruits. How many bags do you need at least?

36. A rope is 19 meters long, cut 8 meters to make a long skipping rope, and make a short skipping rope every 2 meters. How many short jump ropes can you make? How many meters are left?

37. A sticker, each 5 yuan. There used to be 10, but I spent 40 yuan to buy more. How many stickers does she have now?

38. It took 12 yuan to buy three big balloons and 2 yuan to buy a small balloon. How much is a big balloon more expensive than a small balloon?

Mother bought 20 pencils, five of which were packed in a box. Xiaohong took two boxes. How many boxes are left?

Choose to do the problem:

1, a pack of biscuits, less than 30 yuan, distributed to 7 children on average, just finished eating. What is the maximum number of biscuits in this package?

2. Find a rule to fill in numbers.

( 1) 1、2、5、 10、 17、( )、( )、( )。

(2) 1、2、3、5、8、( )、( )、( )。