There are 56 passengers in the subway. At the station, 19 people get off and 15 people get on. How many people are there in the car now?
3. In Logger Vick and Xiong Er, Xiong Dahe caught 42 fish, Logger Vick caught 18 and Xiong Da caught 16. So how many fish did Xiong Er catch?
4. Mom bought 15 apples, and oranges bought 6 fewer apples. How much fruit did * * * buy?
5. Mom is 33 years old and Meimei is 8 years old. How old was Meimei when her mother was 40?
6. There are 45 students in physical education class, including 3 rows of girls with 6 students in each row. How many boys are there?
7. Xiaotian did 39 math problems, and Xiao Liang did 12 more than Xiaotian. How many math problems did Xiao Liang do?
8. A car can seat eight people. How many cars do 20 people need to make?
9. Mom bought 6 bags of apples, 8 in each bag. I bought 27 pears. How much fruit did mom buy?
10. The white rabbit has three meals a day and two radishes for each meal. There are 18 radishes now. How many days can a white rabbit eat?
1 1. There are 390 fruit trees, 90 litchi trees, 80 mango trees and the rest are pear trees in the orchard. How many pear trees are there?
12. There are 5 bags of lemon candy in the store, 6 in each bag, and 20 are sold. How much is left?
13. Xiaobai distributed 35 apples to 7 children on average. How many apples does each child get?
14. There are 35 trucks and 24 cars in the parking lot, which have been driven away 17. How many cars are there now?
15. Jimmy has sugar, and every bag has the same amount of sugar. Eight bags have been packed, and there are four sweets left on the table. If it's 9 bags, there are still 3 capsules missing. How many capsules are there in each bag? How many sweets does a * * * have?
16. There are 35 dragonflies and butterflies among the flowers, 6 dragonflies fly away, 12 butterflies come. How many dragonflies and butterflies are there in the flowers now?
17. There are three identical vases, which can hold 15 flowers. There are five such vases now. How many flowers can a * * * hold?
18. There are 86 baskets of apples in the fruit shop. I sold 28 baskets in the morning and 30 baskets in the afternoon. How many baskets of apples are there in the fruit shop now?
19. A fruit pizza 58 yuan is more expensive than a piece of cheesecake 16 yuan. How much is a piece of cheesecake?
20. a coat 18 yuan, a pair of shorts 14 yuan. Xiaoming bought a coat and a pair of shorts with money from 40 yuan. How much should he get back?
2 1. Xiaoming has 34 red balls, 28 yellow balls and 76 white balls. How many balls does Yi Ming Jr. have?
22. Xiaoming has 18 yuan, Xiaohong has 24 yuan money, and how much should Xiaohong give Xiaoming, so their money is the same?
23. The canteen sent three carts of rice, each with eight bags. After eating 18 bags, how many bags are left?
24. In the conference room, there are 30 single chairs and 8 double chairs. How many people can sit in the conference room?
25. Mother bought some apples, ate half on the first day, ate the remaining half the next day, and finally there were two left. How many apples did mom buy?
26. There are 6 rows of lilies in the garden, 8 in each row, and 12 lilacs. How many flowers are there in the garden?
27. Xiaohua is 8 years old and Shi 12 years old. After 15, how old is the stone than the floret?
28. Seven bags of lemon candy, each bag 10 yuan. I ate six pieces. How many pieces are left?
29. The baker made 64 loaves, Xiaoming bought 19 loaves and Xiaohong bought 35 loaves. How much more can you buy?
30. Weight of a bucket of water 17kg. After pouring out half of the water, the weight of the bucket is 12kg. How many kilograms of water were dumped? How many kilograms of water are there in the bucket?
3 1. Dad bought some bananas. On the first day, he ate half. The next day, he ate the rest. Finally, there are two bananas left. How many bananas did dad buy?
32. The teacher took four students to the movies, and everyone had to buy tickets. How much is each ticket to 5 yuan?
33. The school bought chalk. There are 42 boxes of white chalk and 39 boxes of colored chalk. How many boxes of white chalk did you buy?
34. 3 yuan for toothbrush and 9 yuan for soap. How much does it cost to buy a bar of soap and five toothbrushes?
35. Chen Xiao bought 18 candy and gave 9 to her grandparents. The rest of her family was divided equally among three people. How many sweets did everyone get?
36. After class, 28 students in the class, 17 students went out and 1 1 students came back. How many students are there in the class now?
37. Xiao Qiang practices calligraphy. He can only write eight big characters on a piece of paper. How many sheets of paper does he need if he wants to write 50 big characters?
38. A string of Sugar-Coated Berry has five Sugar-Coated Berry, and seven strings of Sugar-Coated Berry have several Sugar-Coated Berry?
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?
40. A big shark has a tail half as long as its body length and a head half as long as its tail. It is known that its head length is 3 meters. What is the total length of this big shark?
4 1. The light in the room is on. Press the switch and the light will go out. Press the switch twice and the light comes on again. Press the switch 18 times, is the light off or on?
42. 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?
43. Xiaoming made 18 fruit cake and 12 chocolate cake. I sent 14 cake to the kindergarten children. How many cakes does Xiaoming have now?
44. The rabbit pulled out three piles of radishes, 9 in each pile, and there were 18 radishes in the field. How many radishes did the rabbit grow?
45. Father Rabbit bought some carrots in the morning. The little white rabbit ate half at noon, half in the afternoon, and finally there were three carrots left. How many carrots did Father Rabbit buy?
46. Go to 4 yuan by spaceship. You have 20 yuan money. How much money is left after three ships?
47. Teacher Blue Sky and seven children made big red flowers. The teacher made eight and each child made five. How much have we done?
48.5 Toothpaste 30 yuan, a bag of washing powder 8 yuan. How much is it cheaper to buy a toothpaste than a bag of washing powder?
49. The canteen sent a batch of rice, which was eaten 19 Jin every day. After eating for 2 days, there are still 25 Jin left. How many kilograms of rice are there?
50. The students go out to play by car. There are 22 freshmen, 35 sophomores and 24 sophomores. How many cars do you need for every nine people?
Reference answer
1. Answer: 45 Analysis: There are seven questions for each person. How many people can you divide? Between 40 and 50, the multiplication formula of 7 is: 6x7 = 42, 7x7 = 4942+3=45 OK, 49+3=5 1 out of range.
2. Answer: 52 persons: 56- 19+ 15=52 (persons).
Answer: 8: 42- 18- 16=8 (articles)
4. Answer: 24 Analysis: orange: 15-6=9 (pieces); 9+ 15=24 (piece)
5. Answer: 15 years old Analysis: First, my mother's age is: 40-33 = 7; So the age of the child is also 7,8+7 =15. Second, the age difference between mother and beauty is: 33-8 = 25; Time is changing, and the age difference is constant. Therefore, Meimei's' age: 40-25= 15.
6. Answer: Analysis of 27 people: Number of girls: 3x6 =18; Number of boys: 45- 18=27.
7. Answer: 5 1 Analysis: 39+ 12=5 1
8. Answer: 3-car analysis: consolidate the multiplication formula, 2x8= 16, 2 cars are not enough, 3x8=24, 3 cars are also ok.
9. Answer: 75 Analysis: Apple: 6x8 = 48；; One * * *: 48+27 = 75.
10. Answer: 3-day analysis: The number of radishes eaten by white rabbits in one day: 2x3 = 6; 18 radish is divided into 3 days on average: 18÷6=3.
1 1. answer: 220 tree analysis: this question examines the addition and subtraction above 100, 390-90-80=220 (tree)
12. Answer: 10 Analysis: One * * * has lemon candy: 5x6 = 30；; Remaining: 30-20= 10.
13. answer: 5 analysis only: the average score is division, 35÷7=5. 35÷7= a few, so we thought "a few x7=35".
14. Answer: 42 vehicles: total * * * vehicles: 35+24 = 59; Drive away 17 vehicles: 59- 17=42.
15. A: Each bag contains 7 capsules, and one capsule contains 60 capsules of sugar. Analysis: This question is more difficult. Pack 8 bags and keep 4 capsules; When loading the ninth bag, put the remaining 4 capsules into the bag. At this time, there are still 3 capsules missing, which means that each bag has 7 capsules. A * * * A few sweets: 8x7=56, 56+4=60.
16. Answer: 4 1 Analysis only: 35-6+ 12=4 1.
17. answer: 25 flowers analysis: this question examines division, 15 flowers are evenly distributed to 3 vases,15 ÷ 3 = 5; 5x5=25 .
18. Answer: 88 Basket analysis: 86-28+30=88.
19. Answer: 42 yuan analysis: 58- 16=42, not necessarily "expensive", "more" needs to be added, so be optimistic about what you want to calculate.
Answer: 8 yuan analysis: 40- 18- 14=8.
2 1. answer: 138 analysis:, this question is less than 200, carry addition, 34+28+76= 138.
22. Answer: 3 yuan's analysis: the problem of shifting more to make up for less, how much more, give half. 24- 18=6, give 3.
23. Answer: 6-bag analysis:1* * *: 3x8 = 24; 24- 18=6。
24. Answer: 46 people analysis: 30+8x2=46. Multiply first, then add.
25. answer: 8 analysis: this question examines the problem of reduction, and you can draw a pie chart. The remaining two are half of the next day, so there are four the next day; The four on the second day are half of those on the first day, so there are eight on the first day.
26. Answer: 60 Analysis: 6x8 = 48；; 48+ 12=60。
27. Answer: 4 years old analysis: 1. 8+15 = 23,12+15 = 27, 27-23 = 4. Second, the age difference is unchanged, 12-8=4.
28. Answer: 64 pieces of analysis: 7x10 = 70,70-6 = 64.
Answer: 10 Analysis: 64- 19-35= 10.
30. Answer: 5 kg; 10 kg analysis: dumping:17-12 = 5; It used to be 5x2= 10.
3 1. Answer: 8 Analysis: This question examines the reduction problem, and the remaining 2 is half of the next day, so there are 4 the next day; The four on the second day are half of those on the first day, so there are eight on the first day.
32. Answer: 25 yuan analysis: This problem children often ignores the teacher, so it should be five people, 5x5=20.
33. Answer: 8 1 box analysis: 39+42=8 1.
Answer: 24 yuan analysis: 3x5= 15, 15+9=24.
35. Answer: Three-block analysis: The average score of this question is 18-9=9, with an average distribution of 9 to 3 people, and 9÷3=3.
Answer: 22 people: 28-17+11= 22.
Answer: 7 analysis tables: 6x8 = 48.
Answer: 35 String analysis: 5x7=35.
39. Answer: 9 Tree Analysis: 73-26-38=9.
40. Answer: 2 1 m Analysis: Push back the question. If the head is 3 meters long, the tail is 6 meters long and the body length is 12 meters.
4 1. A: On: When you press the odd number 1, 3, 5, 7 ..., the light goes out; Press the even number 2, 4, 6, 8 ... The light is on.
42. Answer: 62 basket analysis: 22+ 18+22=62.
43. Xiaoming made 18 fruit cake and 12 chocolate cake. I sent 14 cake to the kindergarten children. How many cakes does Xiaoming have now? Answer: 16 block analysis:18+12-14 =16.
44. Answer: 45 Analysis: 3x9 = 27；; 27+ 18=45。
45. Answer: 12 root analysis: This question examines the problem of reduction, and the last three are half of noon, so there are six at noon; Six o'clock at noon is half of the morning, so there is 12 in the morning.
46. Answer: 8 yuan's analysis: 20-4x3=8. There are both multiplication and division and addition and subtraction in a formula, so multiply first and then divide.
47. Answer: 43 flowers analysis: made by a child: 5x7=35 (flowers), 35+8=43.
48. Answer: 2 yuan analysis: test division, toothpaste: 30÷5=6, 8-6=2.
49. Answer: 63kg analysis:19x2 = 38,38+25 = 63.
50. Answer: 9 cars: 1 * * Yes: 22+35+24=8 1 (person), 8 1÷9=9.