How many corns did our family have?
2. The rabbit planted 5 rows of radishes, 9 in each row. Give 15 to grandma rabbit. How many are left?
3. Master Wang made 80 loaves and sold them for the first time 17 and for the second time/25. How much bread is left?
4. Mom bought 15 apples, and oranges bought 6 fewer apples. How much fruit did * * * buy?
There are four pandas in the zoo, and the number of monkeys is three times that of pandas. How many pandas and monkeys are there?
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?
7.2. There are more girls 15 and boys 1 1 in Class One. Question 2. How many students are there in Class One?
8. Cars can take 4 people each, buses can take 25 people, there are 3 cars, 1 bus.
How many people can a * * * seat?
9. There are 4 boxes of balls in the shop, each containing 6 balls, and 20 balls have been sold. How much is left?
10. Xiao Ming has six sets of pictures, each with three, but he bought four. How many are there now?
1 1. The school bought three boxes of table tennis, eight in each box, and distributed them to four classes in Grade Two. How many ping-pong balls did each class get?
12. The bear picked up nine corn, and the monkey picked up four times as much as the bear. How much corn did they pick up?
13. There are 85 cans of coke in the grocery store, 46 cans were sold in the morning and 30 cans were sold in the afternoon. How many cans are left?
14. There are 16 students on the playground, and there are 14 students again. These students play games in groups of five. How many groups can they be divided into?
15. Xiaoming bought three notebooks and spent 12 yuan. Xiaoyun also bought the same six notebooks. How much did Xiaoyun spend?
16. There are 60 badminton rackets in the gymnasium. Xiaoming borrowed 15 pairs and Liang Xiao borrowed 26 pairs. How many pairs are left now?
17. A small bucket of milk costs 5 yuan, and a large bucket of milk is four times that of a small bucket. How much does it cost to buy two barrels of milk?
18. 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?
19. Teacher Wang bought five green cards at the stationery store, 15 red cards. How many times more red card paper than green card paper?
There are 20 boys and 22 girls in Class One, Grade Two. They are divided into six groups on average. How many students are there in each group?
2 1. There are 42 people in an air-conditioned car, 8 people get off midway and get on 16 people. How many people are there in the car now?
22. 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?
23. Three groups * * * collected 94 cans, of which the first group collected 34 cans and the second group collected 29 cans. How many cans did the third group collect?
The new computer company has 87 computers. I sold 19 units in the morning and 26 units in the afternoon. How many computers are left? (Answer in two ways)
25. There are 22 pieces of lacquer paper in the class, and 27 pieces have been bought. 38 cards were used in the party. How many cards are left?
26. The Children's Palace has bought 52 new violins, and the viola is 20 less than the violin. How many kinds of violins are there?
27. 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?
28. The number of A is 20, and the number of B is 5 more than A. What is the number of B?
29. There are 25 apples and 7 fewer pears than apples. How many pears are there?
30. Xiaoqing has 28 pictures, and there are more photos than pictures 16. How many photos does Xiaoqing have?
3 1. There are 35 boys, two more than girls. How many girls are there?
32.35 boys, two boys are less than girls, and how many girls are there?
There are 20 black bears in the zoo. There are eight more black bears than white bears. How many white bears are there?
There are 20 black bears in the zoo. White bears are eight more than black bears. How many white bears are there?
35. There are 44 cocks in the red scarf chicken farm, and there are more hens than cocks 16. How many hens are there?
36. There are 60 hens in the red scarf chicken farm. There are more hens than cocks 14. How many cocks are there?
37. There are 60 hens in the red scarf chicken farm, and there are fewer cocks than hens 14. How many cocks are there?
38. There are 44 cocks in the red scarf chicken farm, and there are fewer cocks than hens 16. How many hens are there?
39. In the handicraft class, 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?
40. In the handicraft class, Class One saved 15 sheets of paper, 8 sheets more than Class Two. How many sheets of paper did Class Two save?
4 1. There are 15 story books, 8 magazines and 32 story books on the bookshelf. How many comic books are there? How many story books and comic books are there?
42. Xiaoming's mother bought a rope 16 meters long, cut off some for skipping, and there were 6 meters left. How many meters does it take to jump rope?
43. There are 35 boys and 37 girls in Senior Two. How many are there in the first grade? Among them, 50 people took part in the "Red Tour" this summer. How many people didn't take part in the "Red Tour"?
44. There are 65 cars in the parking lot, and 3 1 car has been driven away. How many cars are left? Here come six more. How many cars are there in the parking lot now?
45. An application problem workbook with 50 application problems. red does 5 problems every day. How many days do you finish it?
46. The school bought 6 science and technology books and 36 story books. How many times are there story books?
47. The bookstore sold 6 boxes of books on the first day and 18 boxes of books on the second day. How many times did it sell the next day? How many boxes do you sell in two days?
There used to be 45 chickens in Xiaoming's henhouse. My mother sold 12 last week and 15 this week. How many chickens are left in the henhouse?
There are five groups of students in Class One, Grade Two, with an average of five students in each group. June 1 Sunday 2 1 people participated in the chorus. How many people didn't join the choir?
50. Obana's parents did the calculations in the competition, and Xiaohua got six calculations right in one minute. Dad's is four times as big as Xiaohua's, and mom's is five times less. How many things can mom do right in a minute?
There are five red balls in Class One, Grade Two, 5 1. There are three times as many yellow balls as red ones. How many yellow balls are there than red balls?
52. Mom bought 12 apples and 16 pears. If you want to bag them all, each bag can only hold 4 fruits. How many bags do you need?
53. Four bags of biscuits cost 8 yuan in the supermarket, and how much does it cost to buy eight bags of biscuits?
54. The teacher has 8 bags of table tennis, 6 in each bag, and lends them to classmates 15. How much is left? 55. The teacher spent 70 yuan on books and bought seven sets of story books, each of which cost 9 yuan. How much is left?
56. Nine willows were planted in the green belt. The number of pine trees is three times that of willow trees and the number of willow trees is three times that of poplar trees. How many pine trees are there in the green belt? How many poplars are there?
57. In math class, children play games. Every five people are divided into six groups. How many children are there in a group?
Second grade math application problem 2 book 2. First, choose.
(1) 4,870 bricks need to be transported for school maintenance. A scooter can transport 275 bricks at a time. Eight cars have been delivered, and the remaining bricks are planned to be delivered seven times. How many bricks do you need to transport at a time? The formula is ()
a、4870 - (275×8÷7)
b 、( 4870–275)×8÷7
(4870-275×8)7
d、4870–275×8÷7
(2) It is planned to build a canal of 0.48 km per day, and it will be completed in 15 days. Actually, it will be built in 0. 12km per day. How many days did it actually take to complete the canal?
a、0.48× 15÷0. 12
b、0.48× 15(0.48–0. 12)
c、0.48× 15(0.48+0. 12)
d、0.48× 15×(0.48+0. 12)
(3) A factory burns 1.2 tons of coal every day, which is 0. 1 ton less than originally planned. How many days can it burn in 60 days?
a 、( 1.2+0. 1)×60÷ 1.2
b 、( 1.2×60)÷( 1.2–0. 1)
c、 1.2×60( 1.2+0. 1)
d 、( 1.2-0. 1)×60÷ 1.2
Second, the application problem.
(1) A farm tool factory 13 produced 540 farm tools, with an average of 45 farm tools in the first 8 days and the rest completed two days ahead of schedule. How many farm tools will be produced on average every day?
_____________________________________
(2) The highway maintenance team plans to maintain 4,370 meters of roads in 15 days, which has been maintained for 6 days, with an average daily maintenance of 320 meters of roads. The rest have to finish the task two days in advance. How many meters of road are maintained on average every day?
_____________________________________
(3) The typist Xiao Li plans to type 1 17600 words in 9 hours and type for 5 hours, with an average of 12000 words per hour. The remaining tasks should be typed in 1 hour in advance. How many words per hour on average?
_____________________________________
(4) The loading and unloading team plans to load and unload 396 tons of goods within 10 hour. Working for 3 hours, loading and unloading 60 tons of goods per hour on average. Due to the urgency of the task, the remaining tasks must be completed 4 hours in advance. How many tons of goods are loaded and unloaded per hour on average?
_____________________________________
(5) Auto Parts Factory plans to produce 3,864 auto parts in 30 days, which has been produced for 20 days, with an average of 140 pieces per day. The rest are required to finish the task three days ahead of schedule. How many more pieces are produced on average every day?
_____________________________________