There are several pencils (understanding of addition)
Knowledge points:
1, have a preliminary understanding of the meaning of addition, can read and write addition formulas, and feel that two numbers can be combined to find out what a * * * is, and use addition to calculate;
2. Initially try to choose a suitable method for adding less than 5.
3. The graphic application problem is the first time. Students should learn to look at the graphic application problem and understand the meaning of the problem.
How many cars are there (a preliminary understanding of the law of addition and exchange)
Knowledge points:
1. Preliminary perception: From different observation angles, different formulas will be listed, thus intuitively explaining that two numbers are added and the addend positions are exchanged, and the numbers remain unchanged. 2. Encourage students to ask questions according to the pictures. When solving problems, two different formulas can appear and compare the similarities and differences between the two formulas.
Picking fruit (understanding of subtraction)
Knowledge points:
1, can read and write subtraction formula, can tell the meaning of subtraction, and understand the calculation method of subtraction. 2, can correctly understand the meaning of the picture, and write the subtraction formula according to the meaning of the picture, so as to learn to solve simple mathematical problems, and realize that one part of a number is removed and the other part is calculated by subtraction.
Kittens eat fish (the number is the subtraction of 0)
Knowledge points:
1, further understand the meaning of subtraction, and understand the meaning of the subtraction formula with the number "0".
2. Improve the calculation ability of subtraction within 5.
3. Will convert the addition formula into the subtraction formula.
Guessing game (addition and subtraction of 6, 7)
Knowledge points:
1, learn the addition and subtraction of "6" and "7", and perceive and understand the relationship between addition and subtraction.
2. According to the picture, two formulas of "one plus one minus" can be listed.
3. Correctly calculate the addition and subtraction of "6" and "7" and express the meaning of the formula.
Skipping rope (addition and subtraction of 8, 9)
Knowledge points:
1. In specific cases, write different addition and subtraction formulas of 8 and 9 in turn. Experience the connection of addition and subtraction.
2. Correct addition and subtraction of "8" and "9".
Lovely penguin (8, 9 addition and subtraction exercises)
Knowledge points:
1. On the basis of understanding the graphic meaning, analyze the quantitative relationship, put forward mathematical problems, and correctly choose calculation methods to solve problems.
2. Know the "braces" and understand the meaning of "braces" and "question marks" in the picture.
3. According to the quantitative relationship and the meaning of addition and subtraction in the figure, formulate correctly, learn to solve by addition when "seeking the whole" and learn to solve by subtraction when "seeking the part".
Divide apples (10 addition and subtraction)
Knowledge points:
1, the addition and the corresponding subtraction of 10 are abstractly sorted out from practical problems.
2. Add and subtract 10 correctly and skillfully.
3. Although the synthesis and decomposition of 10 in this course is no longer the logical starting point of the addition and subtraction of 10, it is still an effective means to skillfully calculate the addition and subtraction of 10.
On the playground (solving subtraction problems)
Knowledge points:
1. Make students learn to solve the problem of "who is more (less) than who" by subtraction in specific situations.
2. Fully express the relationship between them in your own language.
3. Guide students to experience the relativity of who is less than who and who is more than who in specific problem situations, which have the same meaning and can be solved by the same formula.
Ride (addition, subtraction, multiplication and division)
Knowledge points:
1. Know the meaning of addition and subtraction and the mixed formula of addition and subtraction and the operation order of "from left to right".
2. Master the calculation method of mixed problem operation of addition, subtraction, multiplication and division, and calculate it correctly.
Let's exercise.
Knowledge points:
1 can correctly count the number of objects within 10.
2. Consolidate the difference between cardinal number and ordinal number, which can be sorted correctly.
3, correctly understand the meaning of the picture, can put forward mathematical problems, and choose the corresponding methods to solve the problem.
4. Students can correctly compare "more, less" and "tall, short" according to the mathematical information provided by the situation, and experience the relativity of comparison.