1. There are 50 apple trees in an orchard, and there are 30 apples on each tree. How many apples are there in a box?
2. There are 50 students in class * * *, and the teacher will give each one 10 balloons. How many balloons does a * * * need?
3. A store has 50 T-shirts, each 30 yuan. If you sell it all, how much can you earn?
4. Draw 50 ducklings on a 20 cm× 30 cm canvas. The distance between each duckling is the same. What is the distance between each duckling?
5. A swimming pool can accommodate 50 people, and each person has 10 swimming rings. Now the swimming pool is full. How many swimming rings are there in the swimming pool?
There are 50 students in class * * *, and everyone has a schoolbag. The price of each schoolbag is 30 yuan. How much are all the students' schoolbags in the class?
7. A restaurant has 50 seats, and the width of each table is 3 meters. If it is full, how many tables are there in the restaurant?
8. There are 50 cows on a farm, and each cow drinks 5 liters of water every day. How many liters of water does the farm need every day?
9. A shop sells 50 loaves of bread, each weighing 50 grams. How many grams does this bread weigh?
10. There are 50 potted flowers in a garden, and the price of each potted flower is 30 yuan. If you sell it all, how much can you earn?
1 1. A bus can carry 50 people. If all the seats are taken, how many people are there in the car?
12, a story book has 50 pages, each with illustrations. How many illustrations are there in this story book?
13. A toy store has 50 toy cars, and the price of each toy car is 30 yuan. If you sell it all, how much can you earn?
14. A hotel has 50 rooms, each room can accommodate 2 people. If full, how many people are there in the hotel?
15, a warehouse can store 50 boxes of goods, each weighing 10 kg. If all the goods are removed, how many kilograms of goods can * * * remove?
16, Xiaoming has 10 apples, and Xiaohong has 5 apples. How many apples do they have?
17, brother has 15 candy, and sister has 10 candy. How many sweets does a brother give his sister? It's all the same.
18, Obana Xiaoli made 10 kites, Xiaohua made six kites, and Xiaoli made several kites.
19. There are 30 children in the school, among whom 15 is learning piano. How many children didn't learn the piano?
20. Xiaogang and Xiaoming caught 15 fish, and Xiaogang caught 8. How many fish did Xiaoming catch?
2 1, my sister has 18 pencils and my sister has 6 pencils. How many pencils did my sister give her? Are they the same number?
22. Mom bought 12 apples and Dad bought 6 apples. How many apples are there at home?
23. There are 20 ducks in the river and 15 ducks on the shore. How many ducks are there in the river and on the shore?
24. The kitten caught 15 fish and the puppy caught 8 fish. How many fish did they catch?
There are thirty students in Class One and twenty students in Class Two. How many students are there in Class Two?
Skills to solve application problems;
1, carefully examine the questions: read the questions and understand the given conditions and problems to be solved. For longer topics, try to use charts or simple notes to help you understand.
2. Define variables: clarify the variables involved in the topic and understand their meaning. If necessary, you can define new variables to help solve the problem.
3. Establish a mathematical model: according to the topic, establish the corresponding mathematical equation or expression. This can include algebraic equations, geometric figures, probability statistics, etc.
4. Analyze the problem: according to the specific situation of the topic, choose the appropriate method to solve the problem. For example, for geometry problems, you can try to use deduction, induction or reduction to absurdity.
5. Use appropriate methods: For problems with complicated calculations or requiring specific skills, you can try to find solutions by using mathematical software, online resources or reference books.
6, check the answer: after solving the problem, check whether the answer meets the requirements of the topic, and try to test the correctness of the answer.
7. Summing up experience: For problems that cannot be solved, we should sum up experiences and lessons and try to learn from the answers. At the same time, we should keep an open mind and constantly update our knowledge and skills.