The first part: the teaching goal of the first grade mathematics classroom courseware in primary school;
1. Through activities and exchanges, I know that you are a primary school student in grade one. We should strengthen the education of learning routines, observe classroom routines, and cultivate students' good study habits.
2. Through telling stories, I learned that there is mathematics everywhere in life, which can stimulate students' interest in learning mathematics and enhance their self-confidence in learning mathematics well.
Teaching focus:
Cultivate students' habit of listening carefully in class and raising their hands before speaking.
Teaching difficulties:
Stimulate students' desire to learn mathematics.
Teaching process:
Mathematical activities (1)
The teacher introduced himself.
(1) Greetings from teachers and students
(2) Conversation lead-in: Son, from today on, you are a primary school student, which means that when you grow up, you can understand more truth and learn more skills, which is very glorious.
(3) Teachers simply introduce themselves.
Let the children guess the age of the teacher, and whoever guesses correctly will get a prize. Tell me how you guessed.
Mathematical activities (2)
Know math
1. The teacher will tell you a story first.
"There was a clever businessman who used mules to transport salt in the process of doing business. Once, a mule slipped in a stream and some salt was spilled in the water. Do you know what happens when salt meets water? Then the burden on the mule was reduced a lot, so the mule deliberately rolled in the water every time he passed the stream. In order to change this animal's bad habits, the businessman asked it to take a sponge. Do you know what happens when a sponge meets water? After absorbing water, the weight doubled, and the mule never dared to be lazy again. "
This story is familiar to everyone. It has been included in the famous Aesop fable. Oh, you must have seen it, but I didn't expect that the owner of this mule was a mathematician, right? Thales, have you ever heard of it? I can assure you that Thales is one of the most interesting and amazing mathematicians. There are many stories about him!
2. In this story, there is such mathematical knowledge. There is still a lot of such mathematical knowledge in life. Do you want to learn math? In the study, we will find that there are many secrets hidden in mathematics waiting for everyone to explore.
Mathematical activities (3)
General requirements for learning mathematics
The teacher explained the demonstrations one by one, and the students worked hard to do them.
1, before class: prepare school supplies (math book, exercise book, oral calculation book, exercise book, pencil box) and enter the classroom gently when the class bell rings.
2. Class: observe discipline, don't make small moves, listen carefully, use your head and find ways. Raise your hand first, speak loudly, and speak softly at the same table. Grab the learning tools and stationery quickly and put them down gently.
3. Class is over: tidy up school supplies and prepare for the next class.
Mathematical activities (4)
Set up a study group
1. Divide cooperative learning groups and determine the temporary leader of each group. The best student in each group will be the leader of next week. .
2. Cooperation requirements: Everyone should participate in cooperative learning, and the activities will be arranged by the team leader.
Mathematical activities (5)
Classroom sports training
Little white rabbit, bouncing (little rabbit jumps)
Duck, yi yi (duck mouth with hand in front)
Little goldfish, swim and swim (hands like small fish) (or swing from side to side)
Clap your hands, children (clap your hands)
Sit quietly together! ! Get your hands off me and sit down.
The second part: the first grade mathematics classroom courseware of primary school.
1. On the basis of existing knowledge and experience, students can further experience the calculation process of more than ten MINUS nine through observation and operation, master the calculation method of more than ten MINUS nine skillfully, and can calculate correctly.
2. Encourage students to explore a variety of calculation methods through independent thinking and cooperative communication, and use their favorite methods to calculate the formula of more than ten MINUS nine, so as to infiltrate the ability of solving problems in a variety of ways.
3. The teaching case of "Ten Minus Nine" in the second volume of mathematics in the first grade of primary school: guide students to solve practical problems with the calculation method of "Ten Minus Nine", let students initially realize that there is mathematics everywhere in their lives, so as to cultivate their awareness of using mathematics.
4. Cultivate students' sense of cooperation and communication skills.
Second, the teaching focus:
Guide students to solve practical problems with their favorite calculation method of ten MINUS nine.
Third, the teaching difficulties:
Experience and explore the thinking process of calculating more than ten MINUS nine.
Four, the preparation of teaching AIDS and learning tools:
Multimedia courseware, oral calculation card, stick
Verb (abbreviation of verb) teaching process;
Ten MINUS nine teaching plans
(1) warm-up match
8+9= 15-9= 17-9=6+7= 13-9=
7+9= 18-9=9+5= 14-9= 1 1-9=
(1) collective modification
(2) Comment: Please tell me how you worked out 17-9.
(3) Do students have different ideas about their own algorithms?
(4) Teacher: Just now, we reviewed several methods of subtracting nine from ten that we explored together, so the teacher hopes that everyone can do the questions in their favorite way in the future study process. Ok, let's enter our practice class of ten MINUS nine today. (blackboard writing topic: practice class with more than ten MINUS nine)
(2) Import:
Teacher: Do the students like Pleasant Goat?
Health: Yes.
Teacher: Teachers like it too. They are very happy to come to our classroom today. Let's say hello to them!
Health: Hello.
Teacher: The village head of Lanyangyang called everyone together early this morning and gave them an important task. It turned out that the wolf stole Yangcun's treasure while everyone was not paying attention. The task now is to find the lamb. Of course, there are many difficulties along the way. Are you confident to help them get their treasure back?
Health: Yes!
Teacher: OK, let's enter our competition.
1, high-speed combat
Teacher: Let's compare the speed with Pleasant Goat.
12-9 = 16-9 = 14-9 = 18-9 =
17-9 = 1 1-9 = 16-9 = 13-9 =
Use your favorite algorithm to calculate 18-9= ()
2. Look at the picture and write the formula
Teacher: Running so fast, everyone must be thirsty. Look, class, we are in strawberry fields.
3. Fight with great strength
Teacher: The students are full. Tiger brothers, Hercules, want to compete with us (circle with greater than, less than or equal to).
4+3 〇 17-9 15-9 〇5+97+8 〇9+6
4-9 〇 15-5 16-9 〇 13-9 12-9 〇9+4
4, mining war (want to add and subtract)
Teacher: Students should be careful not to step on mines.
9+( )= 12 9+( )= 18 9+( )= 159+( )= 1 1
12-9 = ( ) 18-9 = ( ) 15-9 = ( ) 1 1-9 = ( )
5. Look at the pictures and tell stories
Teacher: We walked safely through the minefield. Now let's take a break and tell a story.
(3) Activities
Teacher: Students, with the help of your intelligence, Pleasant Goat has successfully regained the treasure. Look, they came to thank us! To celebrate, they invited us to dance together. Are you ready? (Music: Finding Friends)
(4)
Teacher: Pleasant Goat has finished their task, and they are going back to Yangcun to continue their life. They want to buy some presents for everyone. Now please go to the supermarket to help them choose gifts!
(1) Mom gave it to you 16 yuan. What do you want to buy most, and how much money is left?
(2) If you could buy two kinds, what would you like to buy? How much is left?
(5)
After learning several calculation methods of ten MINUS nine, can you tell me how to calculate 15-8 and 13-7 in my favorite way?
(6)
Talk about harvest
What did you gain from this class?
Teacher: in this class, we learned a lot, such as telling stories, the calculation method of ten MINUS nine and so on. We also use the calculation method of subtracting nine from ten to deduce how to calculate eight from ten and seven from ten, which we will learn next time.
(7)
Teacher: Do you like Big Wolf?
Health: No, he is always doing bad things.
Teacher: Yes, the wolf always likes to sabotage, but the teacher thinks the wolf has one advantage. Although he failed every time, he never gave up. We should learn from him. Then this lesson depends on the wisdom of all of us Pleasant Goat defeated Big Wolf again and again. Grey Wolf failed again and again, and we won. We are pleasant goat!
Finally, the teacher gave the students a sentence: failure is the mother of success (big screen display)