Tisch
1. Students should make 10 lanterns. Eight lanterns have been made. How much more do they have to do? Six butterflies flew away from the flowers, and five others flew away. How many flew away twice?
There were 15 planes at the airport, and three of them flew away. How many planes are there at the airport now?
Xiaoping planted 7 pots of safflower and the same amount of yellow flowers. How many pots of two kinds of flowers?
The school used to have 5 bottles of glue and bought back 9 bottles. How many bottles are there now?
6. Xiao Qiang has 10 apples. I ate seven apples. How many more are there?
7. There are 13 cars in the passenger station, and three 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. The school has *** 15 pots of orchids and chrysanthemums, 6 pots of orchids and several pots of chrysanthemums.
12, Xiaoqing drew twice 17, the first time was nine, and the second time was how much?
13, Xiaohong's family has *** 13 apples, 4 apples and how many pears?
14. The school wants to send 12 boxes of stationery to primary schools in mountainous areas. Seven boxes have been delivered. How many more boxes do you want to send?
15. There are 1 1 cabbage at home. After eating five, how many more?
16. There are 48 trees on both sides of a road. A * *, how many trees have been planted?
17. Eight cars left in the parking lot, leaving 24 cars. How many cars are there in the parking lot?
18. Eight carts and the same number of cars were taken away from the parking lot. How many cars have been driven away twice?
19. There are 6 footballs in the school gymnasium, and 20 have been bought. How many are there now?
20. Learn from Lei Feng. The team repaired 8 chairs in the morning and 9 chairs in the afternoon. How many chairs have been repaired in one day?
2 1, I calculated 12 math problems in the morning and 8 math problems in the afternoon. How many more math problems did you work out in the morning than in the afternoon?
22. There are 20 girls in the library, 10 boys. How many boys are less than girls?
There are 20 big monkeys and 30 small monkeys in the zoo. How many little monkeys are there than big monkeys?
24. School football 10, basketball 16. How much less is football than basketball?
There are 40 pots of orchids and 60 pots of chrysanthemums in the garden. How many pots of orchids can be planted as many as chrysanthemums?
26. Mom bought 18 red buttons, 10 white buttons and 8 black buttons.
(1) How many red buttons are there than white buttons?
(2) How many black buttons are there than white buttons?
27. Xiaohua made 20 envelopes. Liang Xiao earned 6 pounds more than Xiaohua. How much did Liang Xiao do?
28. There are two bookshelves. There are 16 books on the first floor. There are eight books on the second floor. How many books are there on the second floor?
29. Mom bought six apples. There are four more pears than apples. How many pears are there?
30. There are 30 roosters in the feeding group, and there are 48 hens more than roosters. How many hens are there?
extreme
1, originally, 22 people went to the theatre, and 13 people came and 6 people left. How many people are going to the theatre now? The bakery made 54 loaves of bread. The first group bought 22 loaves and the second group bought 8 loaves. How much bread is left? (two methods)
3. There are 22 boys, * 2 1 person, of whom 16 people participated in the competition. How many people didn't attend?
4. Three groups * * * collected 94 mineral water bottles, the first group collected 34, the second group collected 29, and the third group collected how many? (two methods)
5. There are 4/kloc-0 people on the bus, 3 people on the bus/kloc-0, and 9 people get off. How many people are there in the car now?
6. Xiaohong has 28 balloons and Xiao Fang has 24 balloons for kindergarten children 15. How many balloons are left?
7. Xiaojun and Xiaoli made lanterns, Xiaojun made 2 1, Xiaoli made 18, and gave them to the teacher 50. How much more will they make? (two methods)
8. This story book has 74 pages. Xiaoli read 20 pages in grade one and 23 pages in grade two. How many pages are left? (two methods)
There used to be 58 sheep in the sheepfold. Six go first, then seven. How many are there now? (two methods)
10, Xiaodong did 10 math problems in the morning, and did 3 more in the afternoon than in the morning. How many did Xiaodong make?
1 1, Xiaohong reads the story book. On the first day, she read 15. The next day, she read six pages less than the first day. How many pages did she read in two days?
12, Xiaoming is 8 years old and his father is 35 years old. How old was Xiaoming when his father was 50?
13, Xiaodong is 6 years old and his mother is 30 years old. When Xiaodong 12 years old, how old was his mother?
14, my father, mother and brother broke 9 corns, and I broke 6. How many corns did our family break?
15, Xiaoming planted 5 rows of radishes, 9 in each row. 15 for the neighbors, how many are left?
16. In the conference room, there are 30 single chairs and 8 double chairs. How many people can a * * seat?
17. The canteen delivered 3 carts of rice, each with 8 bags. After eating 18 bags, how many bags are left?
18, 40 people want to cross the river. Is it enough to rent 8 boats (each boat is limited to 4 people) and 1 big boat (each big boat is limited to 6 people)?
19. Xiaoming spent 8 yuan money to buy a pen. It costs six times as much to buy a schoolbag as to buy a pen. How much did Xiaoming spend?
20. Xiao Li has 43 stamps, Xiao Sheng has 9 more stamps than Xiao Li, and Xiaoying has less stamps than Xiao Sheng 14.
How many stamps do I have?
(2) How many stamps does Xiaoying have?
(3) Fares
Child tickets each: 5 yuan.
Per adult: 8 yuan.
How many stamps do the three of them have
2 1, Xiaoming goes to the zoo with his parents. Did 20 yuan buy enough tickets?
22. 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? (two methods)
23. In the 2002 World Cup Asian Top Ten, China scored 12 points at home in Group B, with 5 points less away than at home. What's China's total score?
24. In 2002, Qatar scored 3 points at home and 2 points away in Group B of the Asian Top Ten World Cup. What is Qatar's total score?
25. Xiaoming is eight years old. His father is four times as old as Xiao Ming. How old is his father?
26. Xiao Gang saved 8 yuan, while Xiao Bing saved 9 times as much as Xiao Gang. How much did Xiao Bing and Xiaogang save?
27. Six children have to fold 80 paper cranes, and each has already folded 9. How much more do you want to fold?
Every Pack of Instant Noodles: 2 yuan
Every cake: 3 yuan.
Every bag of candy: 5 yuan.
Each box of biscuits: 4 yuan.
28、
Each bag of potato chips: () yuan
(1) Miss Wang bought 6 boxes of biscuits and 1 bags of sugar. How much is a * * *?
(2) Buying 1 bag of potato chips is more expensive than buying four cakes. 6 yuan, how much is it to buy 1 bag of potato chips?
(3) How much does it cost to buy 8 packets of instant noodles more than 1 box of biscuits?
29. Five people made 30 windmills. How much did everyone do on average?
30, 18 Chinese cabbage, 6 in each basket, how many baskets do you need?
Tisso
First, solve the problem. 1, pulled out 50 radishes and 20 radishes. How many radishes did two rabbits pull out?
□○□=□()
There are 90 story books in the small library, and 40 have been lent out. How many books are left?
□○□=□()
3. There are 48 people in the school choir, including 20 men and how many women?
□○□=□()
Step 4 buy toys.
42 yuan 40 yuan 28 yuan 30 yuan
(1), Xiao Ming buys one after another, one * * *, how much is it?
□○□=□()
(2) Xiaoli bought a toy from 50 yuan and took it back to 20 yuan. What toys did she buy?
□○□=□()
(3) Put forward a math problem with addition and subtraction respectively and answer it.
Addition problem:
Formula:
Subtraction problem:
Formula:
Xiaoming read a book, he read 78 pages instead of 20 pages. How many pages are there in this book?
□○□=□()
6. Mom has money from 83 yuan. How much money is left to buy books and go to 30 yuan?
□○□=□()
7. There are 36 books on the shelf. Take some. There are nine books on the shelf. How many books did you take?
□○□=□()
8. There were 45 cars in the parking lot, but by noon there were 30 fewer. How many cars are there in the parking lot?
□○□=□()
9. After some cars were driven away from the parking lot, there were still 12 cars left, and 20 more cars were driven away than the rest. How many cars did you drive away?
□○□=□()
Second, use mathematics.
( 1)、
(2)、
How old is grandma than Xiaoming?
=()
(3)、
How many trees have Class Two planted? =()
(4) The experimental primary school held a sports meeting.
=()
(5) Xiaohong's livestock
kind
Only count 203046
How many chickens are there in Abby Mallard?
=()
② How many chickens are fewer than geese?
=()
(3) Ask mathematical questions. Column solution
Question:
Answer: = ()
(6) The store will ship 20 first and then 80. How many goldfish did this store ship?
□○□=□()
(7) 80 schools, including 30 schools. How many/much?
□○□=□()
(8) Mom bought 30, ate some, and there were 20 left. How much did she eat?
□○□=□()
(9) There are 40 buses in the bus station. Twenty buses were driven away for the first time and 10 for the second time. How many buses were driven away for the second time?
□○□=□()
(10) Xiaojun is 7 years old this year. 10 How many years will it be?
□○□=□()
(1 1) The farm * * * has 80 cats, including 20 cats, 10 cats, and the rest is, how many cats are there?
□○□=□()
(12) One schoolbag, one in 30 yuan, and one in the pencil case 15 yuan. How much does it cost to buy a schoolbag and pencil box?
□○□=□()
(13) How much is it more expensive to buy a basketball 55 yuan and a football 40 yuan?
□○□=□()
(14) There are 27 pots of chrysanthemums and 9 pots of Chinese rose in the park. How many pots are Chinese rose less than chrysanthemum?
□○□=□()
Can you ask more questions? Ask questions and answer them.
Question:
Answer: