1, I calculated 8 math problems in the morning, and 12 in the afternoon. How many more questions did you calculate in the afternoon than in the morning? 2. There are 10 girls and 8 boys in the library. How many boys are less than girls?

There are 8 big monkeys and 10 little monkeys in the zoo. How many little monkeys are there than big monkeys?

There are 6 football and 10 basketball in the school. How many football is less than basketball?

There are 6 orchids and 8 chrysanthemums in the garden. How many potted orchids are planted as much as chrysanthemums?

6. Mom bought 8 red buttons, 6 white buttons and 4 black buttons.

(1) How many red buttons are there than white buttons?

(2) How many black buttons are there than white buttons?

7. Xiaohua made a 14 envelope. Liang Xiao made six more envelopes than Xiaohua. How much did Liang Xiao do?

8. There are two bookshelves. There are 12 books on the first floor, 6 books on the second floor, and how many books are there on the second floor?

9. Mom bought 10 apples, and pears are 4 more than apples. How many pears did she buy?

10. There are 10 cocks in the feeding group, and hens are 8 more than cocks. How many hens are there?

1 1, 16 Four people went for an outing in grade four, and four people went for an outing in grade five. How many people went for an outing in grade five?

12. There are 19 female students in the chorus. There are four fewer boys than girls. How many male students are there?

13, Xiaohua has 16 white sheep, and the black sheep is 2 less than the white sheep. How many black sheep have you raised?

14. Students took part in labor and picked 18 baskets of cucumbers. Picked white melons are less than cucumbers 1 basket. How many baskets did you pick?

15, Xiao Ming took the ball. The first time he took 15, the second time he took 1 less than the first time. How many shots did he take the second time?

First-year primary school students' second volume of mathematical application problems, second volume

1. The students want to make 20 lanterns, and they have already made 9. How much more do they have to do? Nine butterflies flew away from the flowers, and five others flew away. How many flew away twice?

There were 17 planes at the airport, and three of them flew away. How many planes are there at the airport now?

Xiaoping planted 9 pots of safflower and the same amount of yellow flowers. How many pots of two kinds of flowers?

The school originally had 8 bottles of glue and bought 4 bottles. How many bottles are there now?

6. Xiao Qiang has 17 apples. I ate seven apples. How many more are there?

7. There are 20 cars in the passenger station, and 3 cars have already left. How many cars are there?

8. Children make paper-cuts with 8 pieces of red paper and the same amount of yellow paper. How many sheets of paper did they use?

9. There are 9 horses in the racecourse, and 5 more will come soon. How many horses are there on the racetrack now?

10, the store has 15 fans, and 5 fans have been sold. How many fans are there now?

1 1. There are orchids and chrysanthemums in the school *** 16 pots, 6 pots of orchids and several pots of chrysanthemums.

12, Xiaoqing drew nine pictures twice, five for the first time, and how many for the second time?

13. Xiaohong's family has *** 18 apples, 9 apples and how many pears?

14, the school wanted to distribute 20 boxes of stationery to primary schools in mountainous areas, and it has already distributed 10 boxes. How many more boxes do you want to send?

15. There are 15 Chinese cabbages at home. I ate five. How many more?

First-year primary school students volume 2 mathematical application problems volume 3

1, the school repurchased 20 boxes of white chalk, and the repurchased colored chalk was less than the white chalk 10 box. How many boxes of colored chalk did you buy back? 2. There are 10 litchi trees and 9 longan trees in the orchard.

(1) How many trees are there in a * *?

(2) How many longan trees are fewer than litchi trees?

3. Xiaoying made 18 red flowers, 10 yellow flowers and 8 white flowers.

(1) How much more red flowers are there than yellow flowers?

(2) How much less white flowers are than red flowers?

(3) How much less white flowers are than yellow flowers?

(4) How many flowers are there?

Choose a suitable question, draw a ""and work it out.

(1) The store sold 20 dolls twice, and sold 10 dolls for the first time ...

(1) How much did you sell for the first time?

② How much is it sold for the second time?

(3) How many are sold twice?

(2) There are 20 chickens and 0 hens 10.

(1) How much is left?

② How many hens are fewer than chickens?

(3) a * * * how many?

5. Choose a suitable condition, draw ""and work it out.

(1) There are 18 pots of chrysanthemums on campus ... How many pots are there fewer orchids than chrysanthemums?

① Carry away 16 pots;

② There are 5 pots left;

③ 10 potted orchids.

(2) Kindergarten buys 50 apples ... How many pears are there?

① Assign 12 children;

② Pears are less than apples12;

③ There are more pears than apples 12.

6. Connect the appropriate conditions and questions before answering.

(1) There are white rabbits and gray rabbits *** 19, and there are 9 white rabbits.

How many people are there?

② How many gray rabbits are there?

(2) There were some rabbits, and four of them escaped. 18.

(1) How much is left?

② How many people are there?

7. Nine cars were taken from the parking lot, and there were five left. How many cars are there in the parking lot?

8. Eight big cars and the same number of cars were taken away from the parking lot. How many cars have been driven away twice?

9. There are eight footballs in the school gymnasium, and seven have been bought. How many are there now?

10, learning from lei feng, the group repaired 8 chairs in the morning and 12 in the afternoon. How many chairs have been repaired in one day?

1 1, Xiaoying made nine red stars, three yellow stars less than the red ones. How many yellow stars?

12, the school bought 9 boxes of white chalk and 8 boxes of colored chalk. How many boxes of chalk did you buy back?

13, the school bought back 19 boxes of white and colored chalk, including colored chalk 10 box. How many boxes of white chalk did you buy back?

14. The school bought 9 boxes of white chalk and 5 boxes of colored chalk. How many boxes of colored chalk are less than white chalk?

15, the school bought back 18 boxes of colored chalk, and bought back 2 boxes of white chalk more than colored chalk. How many boxes of white chalk did you buy back?