Teaching plan of large class mathematics and reflection on teaching "classified counting within 20" 1 activity goal;
1. Guide children to count to less than 20 by making them actively explore and try.
2. Through game activities, let children understand and read statistical tables and practice continuously.
Activity preparation:
A wall chart, a backup wall chart, a pre-drawn statistical table, colorless pictures, a backup wall chart (above the magnetic teaching aid and below the statistical table), a red, yellow and blue card, a colorless duck, a colorless fish, a colorless butterfly, and several digital cards (red, yellow and blue)1(2) 2 (4) 3 (2) 4.
Activity flow:
First, the introduction of situational themes
Teacher: Little friend, say hello to the guest teacher first. Today, the teacher got a call from Math Kingdom. Teacher Wang invited us to play in the math park. Are you happy? All right, let's get in the car and go. (Teachers and children do rhythmic exercises and show wall charts) Look at the busy road, children!
1. How many red, yellow and blue cars are there on the road? * * * Have a car?
2. Who has a balloon in his hand? How many are there in red, yellow and blue? How many balloons are there?
3. How many red, yellow and blue houses are there by the roadside? How many houses are there in a * *? Let's go on (teachers and children do rhythmic exercises)
Second, the topic of cloth
Teacher: Hey! It's ducks, fish and butterflies. What are they doing in line? Let's ask. Hello! What are you doing?
We'll see who is faster.
Teacher: Oh, it was a competition. Let's see what colors the ducks, fish and butterflies are in the competition.
Young people: red, yellow and blue. (Show statistics)
Teacher: 1. Oh, there are three colors: red, yellow and blue. Let's count the number of ducks, fish and butterflies in red, yellow and blue.
Let the children count how many ducks (fish, butterflies) there are.
Ducks, fish and butterflies are going to have a competition. How do children think about how to compete? Yes, the same color is a group. How many red (yellow, blue) players are there?
Teacher: (Please post the corresponding digital baby. )
Third, evaluation exercises.
Teacher: Ducks, fish and butterflies are all a little tired. Let's listen to a piece of music. Do children like The Adventures of Little Carp? Are there any in that cartoon? (Bubbles, Xiaomei, Aku, Tortoise)
Teacher: Look! Bubble Xiaomei and Ku are studying it. They want to classify the statistics according to red, yellow and blue.
1. They want to know how much red, yellow and blue represent respectively.
2. Then Bubble wants to know how many * * * there are in the three colors. Xiaomei wants to know how many * * * s there are in three colors? Ku wants to know how many * * * s are in the three colors?
Finally, I want to know how many red (yellow and blue) figures there are.
Teacher: Now the teacher invites the children to help them, OK? (Send one to each child)
Teacher: Explain collectively.
Fourth, extension.
Paopao, Xiaomei and Aku especially thank the children. Would you like to invite them to play in our class area? We invited them to play a necklace game. There are red, yellow and blue beads in our area. Please put them on a string, classify them by color and count how many red, yellow and blue beads there are.
Activity reflection:
This activity is based on "children's development", carefully designed, grasping children's active nature, and cleverly creating the situation of the mathematics kingdom. In the activities, improve children's active participation, experience and mastery of knowledge in hands-on operation, so that children can truly become the masters of learning, while teachers are the organizers, guides and collaborators of children's activities.
Although the activities are clear, focused and difficult, I am not very satisfied with the activities. Some Niu Wa have difficulties and are not active in participating. To sum up, there are the following points:
First, children's understanding of statistical charts is not very good. Although they have been exposed to the study of statistical charts before, I think they should make another preparation before this activity, so that children can finish their exercises on time in actual operation.
Second, because the children in the big class have just been exposed to addition and subtraction within 10, and this activity involves addition and subtraction, the number of objects I show is too large, which makes it more difficult for children to add and subtract. This is the main reason for the overtime of today's activities. We should make an accurate judgment on the child's known level before future activities. In this way, we can achieve our goal.
Teaching plan of large class mathematics and reflection on teaching;
1, carry addition within 20.
2. Experience the fun of learning and using mathematics.
3. Guide children to actively interact with materials and experience the fun of mathematics activities.
4. Stimulate children's interest in learning addition.
Activity preparation:
Forms, cards.
Activity flow:
First, stimulate interest.
1, observed, leads to the topic.
Teacher: Have we learned these formulas?
Student: Yes, I do.
Teacher: What are the formulas?
Health: It's all formulas of 9 plus a few.
Teacher: What carry addition have you learned before?
Health 1: learned the carry addition of 8 plus a few. Carry addition 7, 6, 5 plus several sums ...
Give birth to 2: 7, 6, 5 and add a few decimal places to add the sum. ...
Second, organize knowledge and sum up the rules.
1, Teacher: Please observe, what are the characteristics of the first formula? 9+2、9+6、9+9
Health: Every addend is 9.
Teacher: What happened to the other addend? Can you tell me what the formula is?
Health: The formula is: 9+3, 9+4, 9+5...9+9.
Teacher: What is the formula in the second column? Health: 8+4...8+9
Teacher: What are the characteristics of these two formulas?
Health: One addend is the same, it is 9 or 8, and the other addend increases gradually 1.
2. Teacher: How did their sum change? (Sum is also increasing gradually) * * * Same as sorting out the carry addition table within 20.
1:9+2=9+3=9+4=9+5=9+6=9+7=9+8=9+9=
2:8+3=8+4=8+5=8+6=8+7=8+8=8+9=7+4=7+5=7+6=7+7=7+8=7+9=
3:6+5=6+6=6+7=6+8=6+9=5+6=5+7=5+8=5+9=
4:4+7=4+8=4+9=3+8=3+9=2+9=
3. Observe the table, find out the rules and summarize them by the teacher.
Third, children operate.
1. The teacher distributed blue calculation books. Please complete the addition exercises (2) and (3) on page 17- 18 within 20 minutes.
2, children operating classroom tour guidance, homework correction.
Activity reflection:
Computing teaching is a long and complicated teaching process, and it is not an overnight thing to improve children's computing ability. It needs the joint efforts of teachers, parents and children to see good results.
Teaching plan of large class mathematics and reflection on teaching;
Review the composition of numbers within 100 and the sum of numbers within 20.
Develop visual perception and judgment.
Let children understand simple mathematics.
Activity preparation:
Addition board, red and blue ruler, title card.
Previous experience can be added in 10.
Activity flow:
First, line-walking activities: Play soothing line-walking music, and children naturally carry out line-walking activities.
Second, online activities: question and answer game-10 synthesis
Third, the content of Montessori's mathematical works-addition within 20
1. Introduce the name of the activity and use the teaching AIDS, and put them on the table.
2. Take out the red and blue gauges in turn and arrange them on the left side of the adding board in the order of 9- 1; Arrange the red rulers on the right in the same way.
3. Show the title card: 4+7= (the answer 1 1 is written on the back), and put the title card above the addition board.
4. Arrange the blue ruler 4 in the first row, and align the left side with the square (square occupying 1~4); Then take the red ruler 7 and arrange it behind the blue ruler (accounting for 5~ 1 1 grid). At this time, the right end of the red ruler points to the number 1 1.
5. The teacher used the number 1 1 to say, "4 plus 7 equals 1 1." And count the scales on the addition board to see if they are correct, and then turn the title card over to confirm your calculation results.
6. After the comparison, ask the children to write down the result "1 1" on the title card, and then put the ruler back to its original position.
7. The teacher shows another question card and lets the children calculate independently.
8. Children continue to practice until they don't want to continue, and put away teaching AIDS and work blankets.
Fourth, children can work freely and have teachers to guide them. Activity notes:
Activity expansion:
Let the children cooperate with each other to do the problems.
Teaching reflection
This class starts with games to arouse children's enthusiasm. The activity atmosphere of this class is also very good, which has achieved the purpose of this class. Reflection: I didn't pay enough attention to each child's operation when the children in this class were grouped. I will pay more attention to those who are slow to respond and give them guidance in time in the next teaching.
Teaching plan of large class mathematics and reflection on teaching;
1, algorithms of inductive carry addition and abdication subtraction, sorting out and summarizing calculation rules.
2. Improve the speed and accuracy of calculation and experience the fun of learning mathematics.
3. Develop children's observation and spatial imagination.
4. Let children understand simple mathematical principles.
Activity preparation:
Mushroom graphics, calculation problems.
Activity flow:
First, through the reproduction of examples, arouse children's memories.
1, Xiaoming bought 9 red apples and 2 green apples, and then showed the assembly drawing.
2. What method is used to calculate? Why? How to form?
Teacher's inspiration: 9+2 = 1 1.
3. What is the total number of apples? If you eat nine red apples, how many are left? Discussion: How to calculate? Why? How to form?
After the students answered, the teacher wrote on the blackboard: 1 1-9 =
4. Show pictures and experience the connection of corresponding addition and subtraction formulas in formulas and calculations.
(1) As can be seen from the figure, if 1 1 removes 9 apples, there are 2 apples left.
(2) Because 9 plus 2 is 1 1,1minus 9 equals 2.
(3) Divide 9 by 1 and 8, 1 subtract 1 and subtract 8 to get 2. (i.e.:11-9 =11/.
(4) Divide 1 1 into 10 and 1, 10 minus 9 to get 1, and add 1 to get 2. (namely: 165438+)
Second, rabbits pick mushrooms.
1. Show the example scene of "rabbits picking mushrooms". Let the children observe the addition formula and subtraction formula and think.
The teacher listed two addition formulas, talked about the calculation method, and concluded that carry addition can be done by rounding off ten.
2. List two subtraction formulas again, talk about calculation methods, and summarize the methods of abdication subtraction.
3. Mushroom picking competition. There is a recipe next to each mushroom. After the calculation is completed, if it is correct, skip to the next question directly. If it is wrong, correct it together and compare who picked the most mushrooms. After all the calculations, choose a group of children with the most mushrooms.
Third, homework exercises.
1, the teacher explains the operation requirements and distributes the calculation blueprint.
2. Children independently complete the addition and subtraction test within 20.
Activity reflection:
It provides a broad thinking space for children, so that children can actively use their brains in activities such as taking a look, guessing and calculating, and boldly explore in an environment with greater freedom, prompting children to discover laws and solve problems by themselves in a series of observation, guessing, thinking and expression. Let every child be free to get different improvement and development.