First, the numbers in life.
1, counting pencils-(understanding within100) 2, counting beans-(reading and writing within100) 3, animal restaurant-(comparison within100)
4. Small farm-(describe the relative size relationship of numbers in specific circumstances) III. Addition and subtraction (1)
1, rabbits treat-(addition and subtraction of whole ten)
2, picking pine cones-(two digits plus one carry-free addition and two digits MINUS one non-yielding subtraction. Frogs eat pests-(two digits plus a whole dozen. )
4, radish-(two digits plus two digits without carry addition and two digits minus two digits without abdication subtraction. ) 5. Waste recycling-(Understand the actual problem of less than greater than less than. ) number and algebra
Verb (abbreviation for verb) Addition and Subtraction (2)
1, library-(two digits plus one digit carry addition) 2, issuing new books-(two digits plus two digits carry addition) 3, small library-(two digits minus one digit make way for subtraction) 4, skipping rope-(two digits minus two digits make way for subtraction)
5. Small game-(100 plus or minus to solve practical problems) 6. go shopping
1, buy stationery-(small denomination RMB) 2, buy clothes-(large denomination RMB)
3. small shop-(simple calculation of money) seven. Addition and subtraction (3) 1. Ring game-(addition and subtraction) 2. Rowing-(addition and subtraction) 3. Ride-(addition and subtraction) 2. Observation and measurement
1. Observe the object (observe the shape of a single object from two directions). 2. How long is this table? 3. Go to the amusement park (know the meter).
4, estimation, measurement-(simple estimation and measurement) space and graphics.
Fourth, interesting graphics.
1, understand the figure-(rectangle, square, triangle, circle) 2, do it by hand (1) 3, do it by hand (2) 4, do it by hand (3)
Statistics and probability. statistics
1, organize a competition-(know a simple bar chart) 2, buy balloons-(know a simple bar chart) I grew up with Xiao Shu and consolidated my understanding of numbers within 100.
Significance and calculation method of addition and subtraction. Look at objects from different directions. Practical activities, games
Using 100 internal addition and subtraction to solve practical problems. Strengthen the understanding of graphics.
You can design beautiful patterns with graphics. I am in charge today.
Using 100 internal addition and subtraction to solve practical problems. Experience the close relationship between mathematics and daily life. A number in life
1, counting pencils-(understanding within100) 2, counting beans-(reading and writing within100) 3, animal restaurant-(comparison within100)
4, small farm-(describe the relative size relationship of numbers in specific situations) The number of knowledge points in the knowledge frame life.
Counting pencil (understanding of counting within 100)
1, let students know and learn to count from life, not only one, but also two, five, five and ten; And can correctly count the number of objects within 100.
2. By guiding students to observe, let students observe things from a mathematical point of view and understand the meaning of numbers (the specific position of each number in a number), cardinality (numbers can represent the number of elements in an object set) and ordinal number (numbers can represent the position of an element in a set in a sequence). Feel the law contained in a series of numbers.
3. In counting activities, know the counting unit "hundred" and feel the meaning of numbers. Count beans (read and write in 100)
1, go through the process of representing numbers with counters, and further understand the meaning of numbers. Including knowing the number names and arrangement order of numbers within 100, knowing the counting unit of numbers within 100, and knowing that the advancing rate between two adjacent counting units is 10.
2. Master the composition of numbers within 100. We should not only know that a two-digit number consists of ten and one, but also make it clear that ten and one add up to ten.
3. Be able to read and write numbers within 100 (both reading and writing numbers start from high places) and estimate numbers within 100.
Animal Restaurant (scale comparison within 100)
1, so that students can better understand the order of numbers within 100. They will compare numbers first, and the numbers with the same number will be compared from the high place in turn, and the sizes of numbers within 100 will also be compared. 2. Feel the laws contained in a series of numbers.
Small farm (describe the relative size of quantity in a specific situation) 1. Understand the meanings of "more", "much more", "less", "much less" and "almost" in combination with real life.
2. Be able to master the relative size relationship of numbers in specific situations and gradually cultivate a sense of numbers. Second, the knowledge framework of observation and measurement
Observation and measurement
1. Observe the object (observe the shape of a single object from two directions). 2. How long is this table? 3. Go to the amusement park (know the meter).
4, estimation, measurement-(simple estimation and measurement) knowledge points
Observing an object (observing the shape of a single object from two directions)
1. By observing the real thing, I realized that the shape of the object seen from two directions (front (back) or side) may be different.
2, will recognize the shape of a single object observed from two directions. How long is this table? 1. experienced the process of measuring the length of the same object with different measuring tools, and realized the necessity of unifying the length unit. 2. Know centimeters, find out which objects around you are 1cm in length, and realize the practical significance of 1cm.
3. Be able to estimate the length of small objects and measure the length of objects correctly with a scale. 4, will observe the length of the object through the ruler. (The starting point is not 0 scale) 5. According to the length of the object, choose the appropriate scale to measure. Go to the amusement park (Zhimi) 1, and initially establish the concept of the length of the meter. According to the actual length 1 cm and 1 m, we know that 1 m = 100 cm, and initially learn to estimate the length of the object.
2, master the relationship between meters and centimeters, and can properly choose the length of the unit representation. 3, know the meter ruler, will use the meter ruler to measure the length of the object. Estimate and measure (simple estimation and measurement) 1, and can choose the appropriate unit to express the length.
Can estimate the length of objects around you, and will use measuring tools to measure. 2, will recognize the shape of a single object observed from two directions. Three addition and subtraction (1) Knowledge frame addition and subtraction (1)
1, rabbits treat-(addition and subtraction of whole ten)
2, picking pine cones-(two digits plus one carry-free addition and two digits MINUS one non-yielding subtraction. Frogs eat pests-(two digits plus a whole dozen. )
4, radish-(two digits plus two digits without carry addition and two digits minus two digits without abdication subtraction. ) 5, waste recycling-(understand the actual problem less than Dobby. ) knowledge points
Rabbits treat (addition and subtraction of whole ten)
1, combined with the process of solving practical problems, understand the integer decimal addition and subtraction operation, and can correctly add and subtract the integer decimal. Integer ten plus or minus is dozens, and integer ten plus or minus is dozens. 2. Be able to calculate the addition and subtraction of integer decimal correctly and skillfully, and know the names of all parts in the addition and subtraction formula. Pine cone (two digits plus one digit without carry addition, two digits minus one digit without abdication subtraction). ) 1, in the process of solving practical problems, further understand the significance of addition and subtraction.
2. Make students master the calculation methods of two-digit plus one-digit without carry addition and two-digit minus one-digit without abdication subtraction within 100, that is, add and subtract the number in the unit first, remember the number, and then merge it with the integer ten to get the calculation result.
3, the application method is skilled in oral calculation. Frogs eat pests. )
1. Make students further understand the meaning of addition in specific problem situations, and explore and master the calculation method of adding two digits to integer ten.
2. Make students further understand the significance of subtraction in specific problem situations, and explore and master the calculation method of subtracting integer ten from two digits.
Radish pulling (two-digit plus two-digit non-carry addition and two-digit minus two-digit non-abdication subtraction). ) 1 to further understand the significance of addition and subtraction in specific situations.
2. Explore the calculation methods of two-digit plus two-digit without carry addition and two-digit minus two-digit without backward subtraction.
3, can use vertical calculation, understand vertical method, know that the same number should be aligned from single digits. Recycling waste products (more ignorant of practical problems than Dobby. )
1, combined with practical problems, further understand the meaning of addition, and know that how much a number is more than a number needs to be calculated by addition.
2. In the process of solving practical problems, further understand the significance of subtraction and know how to use subtraction to find a number less than a number.
3. After the formulas are listed correctly, students can make accurate calculations. I learn knowledge from Xiao Shu.
1, through the creation of problem situations, cultivate students' ability to ask and solve problems. 2. Consolidate and review the understanding of numbers within 100, and further clarify the composition of numbers within 100.
3. By solving problems, students can master the calculation method of solving the problem of "more than one and less than one" and calculate correctly.
4. Further understand the length relationship between meters and centimeters, and cultivate students' awareness of estimation.
5. Review the knowledge of observing objects, realize that the shapes seen by observing objects from different angles are different, and develop students' concept of space. Four interesting graphic knowledge frames Interesting graphics
1, knowing graphics-(rectangle, square, triangle, circle) 2, hand-made (1) 3, hand-made (2) 4, hand-made (3) knowledge points.
Identify graphics (rectangle, square, triangle and circle)
1, the understanding of rectangle, square, triangle and circle can distinguish four basic graphics. 2, learn to observe, can find out the basic shape of life, will give examples. 3. Be able to distinguish the relationship between face and body and realize that "face is in the body". 4, can find out the rules of a set of graphics.
5, can find out the basic graphics in complex patterns. Do it by hand (1)
1. Students can fold, cut and spell their own favorite patterns. 2. Further understand the plane graphics through origami, cutting and other activities. 3. Decompose and repair simple graphics through origami.
Do (2) 1 to understand the composition of the puzzle. Through the activities of jigsaw puzzles, I am further familiar with the plane graphics I have learned. 2. The preliminary understanding of parallelogram is only to let students know the shape and name intuitively. Hands-on operation (3)
By appreciating and designing patterns, we can learn more about squares, rectangles, triangles and circles. Small sports meeting
1, the calculation method of carry addition and abdication subtraction within 100 should be used for correct calculation. 2. Through the process of communicating my own algorithm with others, I realized the diversity of algorithms. 3. Experience the ubiquitous rectangles, squares, triangles and circles in life. 4, can use graphics to design beautiful patterns. Five addition and subtraction (2) addition and subtraction of knowledge frame (2)
1, library-(two digits plus one digit carry addition) 2, issuing new books-(two digits plus two digits carry addition) 3, small library-(two digits minus one digit make way for subtraction) 4, skipping rope-(two digits minus two digits make way for subtraction)
5, small games-(100 plus or minus to solve practical problems) knowledge points
Library (two digits plus one digit carry addition)
1, learn to calculate the carry addition of two digits plus one digit, explore and master the calculation method of carry addition of two digits plus one digit: start with the single digit, add one before the ten digits are full, and the result is when the ten digits are full. Can calculate correctly, and initially realize the diversification of calculation methods.
2. Learn to calculate carry addition vertically and know the operation law of "full ten into one". Issue a new book (two-digit plus two-digit carry addition)
1, which enables students to explore and master the algorithm of adding two digits to two digits in the actual situation: emphasizing the addition from single digits, from all ten digits to ten digits into one. Can calculate correctly.
2. Learn to calculate carry addition vertically and know the calculation law of "full ten into one". Small library (two digits minus one digit abdication subtraction)
1. Explore and master the calculation method of abdication subtraction from two digits: subtract from single digits, and one digit is not enough to borrow one from ten digits, so it can be calculated correctly. 2. Learn to calculate the abdication subtraction of a two-digit column vertically minus one digit, and understand that one digit is not enough to reduce from ten to ten. Skipping rope (two-digit subtraction, two-digit yield subtraction)
1, explore the calculation method of two-digit subtraction: subtract from the single digit, the single digit is not enough, and subtract from the ten digit, the single digit plus ten, and you will be right.
2. Focus on vertical calculation, and understand the meaning of "borrowing one to make up ten". 3. A reasonable estimate will be made according to the theme map. Knowledge points of small sports meeting
1. With the help of vivid and interesting story scenes, comprehensively review the calculation of numbers within 100 and the understanding of addition, subtraction and graphics.
2. Be able to use the number within 100 and the calculation of addition and subtraction to solve practical problems in life. 3, strengthen the understanding of graphics, can use graphics to design beautiful patterns. Six shopping
Knowledge frame shopping
1, buy stationery-(small denomination RMB) 2, buy clothes-(large denomination RMB)
3, small shop-(about the simple calculation of money) knowledge points
Buy stationery (small denomination RMB) 1 and get to know all kinds of small denomination RMB.
2. Understand the conversion relationship between small denomination RMB.
3. Understand the relationship between "paid, payable and to be recovered" from practical problems. 4. Make a simple calculation about the money in the shopping scene. Buy clothes (large denomination RMB)
1. Let the students know the large denomination RMB in the activity and distinguish it from the similarities and differences. 2, will calculate the conversion between large denomination RMB.
3. Experience the role of large denomination RMB in shopping activities and master the payment method by using RMB exchange knowledge.
Small shop (doing simple money calculations)
1. In the shopping scene, a simple calculation about money will be made.
Through shopping activities, we know that the payment methods are diversified. 3. Consolidate and review the addition and subtraction calculation within 100 through shopping activities. 4. Some simple practical problems can be solved in shopping. Seven addition and subtraction (3) Addition and subtraction of knowledge frame (3)
1, conventional game-(addition) 2, boat-(subtraction) 3, car-(addition and subtraction) knowledge points
Ring game (addition)
1, combined with the actual problems, explore the calculation method of adding numbers within 100, and experience the diversification of calculation methods.
2. In solving problems, guide students to carry out estimation activities, exchange estimation methods and understand the necessity of estimation. By boat (subtraction)
1, combined with the situation, explore and preliminarily master the calculation method of continuous subtraction within 100, and learn the vertical form of continuous subtraction. 2. Cultivate students' initial awareness of estimation, awareness and ability to ask questions and solve simple practical problems. 3. Explore various methods to solve mathematical problems. Ride (addition and subtraction mixed operation)
1, combined with the life situation, learn the addition and subtraction mixed operation of numbers within 100, master the operation order of addition and subtraction mixed operation, and calculate from left to right in turn.
2. Let students feel the close connection between mathematics and daily life.
3. Guide students to carry out estimation activities and encourage students to use different methods to estimate, so as to cultivate students' estimation consciousness. I am in charge of knowledge points today.
1, the calculation method of carry addition and abdication subtraction within 100 should be used for correct calculation. 2. Through the process of communicating my own algorithm with others, I realized the diversity of algorithms. 3. Experience the ubiquitous rectangles, squares, triangles and circles in life. 4, can use graphics to design beautiful patterns. Eight statistics
Knowledge frame statistics
1, organize a competition-(know simple bar chart) 2, buy balloons-(know simple bar chart) knowledge points.
Organize competitions (learn about simple vertical bar charts)
1, combined with the examples around me, through the process of data collection and sorting, I realized the necessity of statistics and formed a preliminary statistical consciousness.
2. Know a simple vertical bar chart representing a unit and answer some simple questions according to the chart.
Buy balloons (know the simple horizontal bar chart)
1. Know the simple bar chart and answer some simple questions according to the chart to further understand the necessity of classified statistics.
2. Cultivate students to master the methods of collecting and sorting out data. The methods of collecting data are as follows: (1) group statistics, class summary (2) individual class survey (3) raise your hand or stand up for collective statistics. The method of sorting data: one represents the same kind of things, the other represents a unit, and the data is sorted by your favorite symbols.
3. Try to make simple decisions with data.