Mathematics application problems and reference answers in the third grade of primary school

# 3 # Introduction The teaching of application problems in the third grade of primary school is a very important stage, involving general application problems to typical application problems, from one-step application problems to several-step application problems, which requires students to master the problem-solving methods, find out the rules and grasp the characteristics from the general to the special, from the simple to the complex. The following is the unfinished "Math Application Questions and Reference Answers for Grade Three in Primary School", hoping to help you.

Math application problems and reference answers in the third grade of primary school

1. There are 55 color TV sets in Hai Yin Electric Mall. After selling some, there are 30 sets left. How many sets have you sold? This shop used to have 25 baskets of oranges. Sold 18 baskets and got 40 baskets. How many baskets of oranges are there in this shop?

There are 60 hens in the red scarf chicken farm. There are more hens than cocks 14. How many cocks are there?

Xiao Ming bought three notebooks and spent 12 yuan. Xiaoyun also bought the same six notebooks. How much did Xiaoyun spend?

There are 60 badminton rackets in the gym. Xiaoming borrowed 15 pairs and Liang Xiao borrowed 26 pairs. How many pairs are left now?

6. There are 60 bicycles in the shop, which have been sold for 4 days, and 8 bicycles are sold every day. How many bicycles are left?

7. The store bought 50 baby carriages last week, 48 more this week, and sold 65,438+07. How many baby carriages are there in the shop now?

8. There are 8 rows of pine trees in the campus, with 7 trees in each row. Thirty-seven pine trees have been watered. How many are not watered?

9. A story book. Xiao Ming read 5 pages every day for 9 days, and there are 28 pages left. How many pages are there in this book?

10, there are 35 boys, 2 boys are less than girls, how many girls are there?

1 1, Xiaoqing has 28 pictures, and there are more photos than pictures 16. How many photos does Xiaoqing have?

12. There were 22 pieces of lacquer paper in the class, and 27 pieces were bought. 38 cards were used in the party. How many cards are left?

13. There are 36 people on a bus, 8 people get off at Fuzhou Road, and 12 people get on. How many passengers are there on the bus at this time?

14, three groups * * * collected 94 cans, of which the first group collected 34 cans and the second buckle collected 29 cans. How many cans did the third group collect?

15, for example, class one saved 15 sheets of paper, and class two saved 8 sheets more than class one. How many sheets of paper did Class Two save?

Reference answer:

1、25

2、47

3、46

4、24

5、 19

6、28

7、8 1

8、 19

9、73

10、27

1 1、44

12、 1 1

13、40

14、3 1

15、23

Math application problems and reference answers in the third grade of primary school Volume II

1. I have 50 yuan. I want to buy a dress made in 29 yuan and a pair of 18 yuan glasses. How much is left? 2. In the 2002 World Cup Top Ten Asian Games, China scored 12 points at home in Group B, and the away game was 5 points less than the home game. What's China's total score?

There are 90 books in the library. I borrowed 20 books in grade one and 17 books in grade two. How many books are there in the library?

4. Mom bought 15 apples, and oranges bought 6 fewer apples. How much fruit did * * * buy?

My father, mother and I broke off nine corns respectively, and my little brother broke off six. How many corns did our family have?

6. The rabbit planted 5 rows of radishes, 9 in each row. Give 15 to grandma rabbit. How many are left?

7. Master Wang made 80 loaves and sold them for the first time 17 and for the second time/25. How much is left?

8. A car can take 4 people, a bus can take 25 people, there are 3 cars, 1 bus. How many people can a * * * seat?

9. There are 4 boxes of rubber balls in the shop, 6 in each box, and 20 have been sold. How much is left?

10, Xiao Ming has 6 sets of pictures, 3 for each set, and bought 4 more. How many are there now?

1 1. There are 20 black bears in the zoo. There are eight more black bears than white bears. How many white bears are there?

12. There are 20 black bears in the zoo. White bears are eight more than black bears. How many white bears are there?

13. The fruit shop bought 75 boxes of apples, and sold 24 boxes on the first day and 18 baskets on the second day. How many baskets of apples are there in the fruit shop?

14. There are 44 cocks in the red scarf chicken farm, and there are more hens than cocks 16. How many hens are there?

15. There are 85 cans of coke in the grocery store. I sold 46 cans in the morning and 30 cans in the afternoon. How many cans are left?

Reference answer:

1、3

2、 19

3、53

4、24

5、33

6、30

7、38

8、37

9、4

10、22

1 1、 12

12、28

13、33

14、9

15、4

Mathematics application problems and reference answers in the third grade of primary school

1. There are 42 students in Class One, 38 students in Class Two and 39 students in Class Three in Grade Two of Bailou Primary School. How many people are there in Class One, Grade Two and Class Two, Grade Two? How many people are there in Class 3, Grade 2 than Class 1, Grade 2? 2. There are 18 volleyballs in the school gymnasium, and football is more than volleyball 15. How many volleyball and football are there in the school gymnasium?

3. There are 28 girls and 20 boys in Class 1, Grade 2. At the beginning of the new school year, 9 students have transferred to other schools. How many people are there in Class One, Grade Two now?

4. Three groups repaired 52 chairs, the first group repaired 20 chairs, and the second group repaired 18 chairs. How many did the third group repair?

5. Mom spent 12 yuan on a pair of leather shoes and 100 yuan on a pair of cloth shoes. How much should she get back?

This new computer company has 87 computers. I sold 19 units in the morning and 26 units in the afternoon. How many computers are left? (in two ways)

7. A batch of apples came to the fruit shop, and sold 16 baskets in the morning and 18 baskets in the afternoon, leaving 12 baskets. How many baskets have been shipped?

8. There are 4 rows of apple trees in the orchard, with 8 trees in each row and 2 pear trees/kloc-0. How many fruit trees are there in a * *?

9. The fruit shop sent 22 baskets of apples, 18 baskets of pears. There are as many oranges as apples. How many baskets of three kinds of fruits were sent?

10, the school bought 54 boxes of chalk, used 34 boxes, how many boxes are left?

1 1. The school bought 30 boxes of white chalk and 24 boxes of colored chalk, and used 34 boxes. How many boxes are left?

12. The teacher has 4 boxes of table tennis, 6 in each box, and lends 8 to his classmates. How many teachers are there now? (write comprehensively)

13, the Children's Palace bought 52 new violins, 20 of which were less than the violins. How many kinds of violins are there?

14, the number of A is 20, the number of B is 5 more than A, what is the number of B?

15, the bakery made 54 loaves, the first group of children bought 8 loaves, and the second group of children bought 22 loaves. How much bread is left now?

Reference answer:

1、80; 1

2、5 1

3、57

4、 14

5、36

6、42

7、46

8、44

9、62

10、20

1 1、20