"Addition" 1-5 understanding and addition and subtraction PPT courseware

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Update Time: 2024-11-22

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"Addition" 1-5 understanding and addition and subtraction PPT courseware Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!

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• Addition and subtraction ppt

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"Addition" 1-5 understanding and addition and subtraction PPT courseware 1. Review the old knowledge 1. What is the number of objects in the number picture? 2. Explore new knowledge (1) Perceive the meaning of "addition" 1. Observe carefully, how many balloons are there in total? what are you thinking? 2. Can you use the small disc to demonstrate the process just now? 3. Merge is indicated by "+", can you try to use hand gestures to express merge? 4. Recognize the addition formula, and talk about what each part of the formula means? ... ...Third, Consolidate and improve Fourth, assign homework Homework: Page 25, do the first and second questions. After completing the exercises, students evaluate each other. This courseware vividly and interestingly shows the understanding of 1-5 and the teaching content of addition and subtraction "Addition". It is a very good elementary school mathematics teaching courseware. Keywords: Addition courseware, 1-5 understanding and addition and subtraction courseware, Xinrenjiao first grade first volume mathematics PPT courseware, first grade mathematics slide courseware download, addition PPT courseware download, 1-5 understanding and addition and subtraction PPT courseware download, .ppt format For more about the PPT courseware of "1-5 Recognition and Addition and Subtraction", please click the 1-5 Recognition and Addition and Subtraction ppt Addition and Subtraction ppt tab. "Using Letters to Represent the Commutative Law of Addition" PPT: "Using Letters to Represent the Commutative Law of Addition" PPT Part I: Operation Law (1) Do not calculate, fill in the appropriate symbols in the circle. 78+301 301+78 219+86 86+219 (2) Use □ and △ to represent any two numbers, what symbols should be filled in the circle? □+.. "Addition of Rational Numbers" PPT Courseware: "Addition of Rational Numbers" PPT Courseware Teaching Process Introduction 1. Review questions 1. Among the following groups of numbers, which one has the largest absolute value? (1) 7 and 4; (2) -7 and 4; (3) 7 and -4; (4) -7 and -4. 2. Explain the actual meaning of the following quantities represented by negative numbers (.."Laws in Addition Calculation" Exploration Paradise PPT courseware: "Laws in Addition Calculation" Exploration Paradise PPT courseware Teaching objectives 1. Experience calculation, discovery, summary of laws and The process of simple application. 2. Knowing that the numbers of the two formulas obtained by exchanging the positions of two numbers are equal, you can use this rule to solve the problem of algebra with graphs...