1, knowledge and skills

Experience and understand the process of multiplication, and understand the meaning of multiplication; Know the names of each part of the multiplication formula; The simple mathematical problem of finding the sum of several identical addends can be expressed by multiplication formula.

Experience the compiling and sorting process of multiplication formula, understand the meaning of formula and memorize formula.

Experience the process of dividing things equally, and initially understand the meaning of average score; Combined with the specific situation, understand the meaning of division and know the names of each part of the division formula.

Proficient in oral calculation of multiplication and division in tables, able to write vertical multiplication and division, and able to perform mixed operations of multiplication and division.

Multiplication can be used to solve the simple practical problem of how much is how much; Will use division to solve simple practical problems about average score.

Understand the hours, minutes and seconds in real life, and initially have the concept of 1 hour. Knowing that 1 hour equals 60 minutes and 1 minute equals 60 seconds, I can tell and record the time on the clock.

By observing the process of polygons, we can know quadrangles, pentagons and hexagons, surround these figures on nail boards or build them with wooden sticks, and turn one figure into another by folding, cutting and splicing.

After observing an object from front, back, left and right, we know that the shape of the same object is often different when it is observed in different positions, and we can identify the position we observed from the view of a simple object.

In mathematical activities, we can intuitively understand line segments, recognize some characteristics and draw line segments with appropriate tools.

Experience the process of measuring the length of objects with different methods, and realize the necessity of unifying measurement units; Know the commonly used length units of meters and centimeters, and have the concepts of 1 meter and 1 cm, and know that 1 meter = 100 cm; I can estimate the length of some objects and measure the length of objects with a ruler.

We can use the words "which row is which row" to describe the position of objects in real situations, and we can find a suitable position in a given situation according to these words.

I can identify and distinguish the southeast, northwest and other directions in combination with real life. I will use these words to describe the direction of objects.

Through the process of collecting data from life, sorting out and describing the data, I will use block statistical charts to represent the statistical results and make a simple analysis of the statistical results.

In practical activities, I feel that some events are certain and some events are uncertain. Have a preliminary understanding of the possibility of events and learn to talk about things in life with words such as "certain", "possible" and "impossible".

2. Mathematical thinking.

In the process of understanding multiplication, I feel that I use mathematical methods to deal with practical problems in life and understand the relationship between general and special; Cultivate the ability of abstract generalization when writing multiplication formulas.

Understand the process of division and develop the ability of comparison, classification, abstraction and generalization.

In recognizing figures, observing objects, determining positions, measuring lengths, etc. We will further establish the preliminary concept of space and develop thinking in images.

In statistical activities, cultivate preliminary statistical concepts.

3. Emotions, attitudes and values:

Make students actively participate in the whole process of acquiring knowledge, make them realize the value of mathematics, make them like mathematics and enjoy learning mathematics.

Form a strong interest in mathematics, establish students' self-esteem and self-confidence, and improve students' ability of mutual cooperation and interpersonal communication.

Guide reflection and promote the development of emotional attitude. When teaching, we should pay attention to guiding students to reflect on the learning activities of the day, timely educate students to actively participate in learning activities, seek truth from facts in learning, strengthen students' good learning attitude in a positive way, create opportunities for students to apply what they have learned to solve practical problems, and realize mathematics in front of them, thus stimulating and protecting students' curiosity and thirst for knowledge about mathematics.

Second, the teaching objectives of each unit

Understand the teaching objectives of multiplication;

1. In the real situation, I experienced the process of adding several identical numbers into multiplication formulas, got a preliminary understanding of the meaning of multiplication, realized the connection and difference between multiplication and addition, and was able to read and write multiplication formulas correctly and know the names of each part. The product will be calculated by addition.

2. Cultivate the habit of orderly thinking, understand the relationship between mathematics and life, and cultivate the habit of applying mathematics and thinking independently.

Teaching objectives of multiplication formula (1);

1, in the process of learning the formula, further understand the meaning of multiplication, know where the formula comes from, master and memorize the multiplication formula of 1~6, and skillfully multiply two numbers within 6 to reach about 8 questions per minute, with an average correct rate of over 94%; Simple practical problems can be solved by multiplication.

2. Initially perceive the operation sequence of multiplication, addition and subtraction, and know that multiplication must be calculated before multiplication, and will use multiplication and subtraction to help explore and remember formulas.

3. Cultivate the ability to abstract, summarize and discover laws.

Understand the teaching objectives of graphics;

1. Through operation, observation, comparison and communication, we have a preliminary understanding of quadrilateral, pentagon, hexagon and other plane graphics, and we can know these graphics by knowing their names.

2, in folding, cutting, spelling and other activities, experience the transformation of graphics and the relationship between graphics, and develop the concept of space.

Understanding the teaching goal of division: experience the method of average score through the operation activities of average score, and initially understand the meaning of division; Can read and write the division formula correctly and know the names of each part.

2. According to the specific situation, the corresponding division formula will be listed according to the meaning of division, and the relationship between multiplication and division will be preliminarily understood.

Quotient with formula (1) teaching goal;

1, so that students can actively participate in the activities of exploring the calculation method of division in the table, understand and master the method of seeking quotient with formulas, and skillfully use the multiplication formula of 1~6 to calculate the corresponding division formula.

2. Initially learn to analyze the significance of contact division of labor, solve simple practical problems, and cultivate the ability to analyze and solve problems.

Teaching objectives of centimeters and meters:

1. Through observation and operation, we can initially understand the characteristics of line segments, identify line segments in some simple plane graphics, count the number of line segments, and choose appropriate tools to draw line segments.

2. After experiencing the process of measuring the length of an object with different methods, I realized the necessity of establishing a unified unit of measurement in measurement activities, and formed the corresponding concept of length.

3. Understand centimeters and meters according to specific conditions, establish the preliminary expressions of actual lengths 1cm and 1m, measure the lengths of line segments and objects with centimeters and meters, reasonably estimate the lengths, draw line segments with specified lengths, and develop the concept of space.

Teaching objectives of position and direction:

1. Learn to describe the position of objects in a specific situation in the way of "which row is which row, which layer is which layer, and which group is which group", and can determine the corresponding objects according to the description.

2. Understand the four directions of East, South, West and North in connection with reality, and be able to identify East, South, West and North in reality or on a map, determine the other three directions according to the given direction, and describe the positional relationship between objects with directional words such as East, South, West and North.

Multiplication formula and quotient formula (2) Teaching objectives;

1. If you work out the multiplication formula of 7~9, you can master the formula of 7~9 and skillfully use the formula of 7~9 to calculate the multiplication and division method in the table, so that you can have 8 questions per minute and the correct rate is over 94%. Can solve simple practical problems and understand the meaning of multiplication and division.

2. I have a preliminary understanding of vertical multiplication and division, and I will use vertical calculation table multiplication and division.

Teaching objectives of hours, minutes and seconds;

1, by observing the clock face, we can know the time unit hours, minutes and seconds, and know that 1 hour =60 minutes and 1 minute =60 seconds, so we can tell the time indicated on the clock face.

2. Review and experience various activities in 1 hour, 1 minute and 1 second, initially establish the concepts of hours, minutes and seconds, and form the habit of observing and cherishing time.

The teaching objectives of the observed object;

1. Through observation and comparison, we can realize that when we observe objects from different positions, the shapes we see may be different. We can recognize the shape of a simple object observed from a certain position, and we can also correctly judge the position of the observer according to the shape we see.

2. Enrich the understanding of space and graphics, and develop intuitive thinking and spatial concepts.

The teaching goal and possibility of statistics;

1. Through the simple statistical process of collecting, sorting and analyzing data, I know the block statistical chart, and I can use it to express the results. I will put forward or solve simple practical problems with block statistical charts and cultivate statistical consciousness.

2. Some events are certain, and some events are uncertain experiences of simple operation activities; Initially learn to describe the possibility of something with words such as "certain", "possible" and "impossible".