"Division of Powers with the Same Base" Operation of Integers PPT Courseware 4

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"Division of Powers with the Same Base" Operation of Integers PPT Courseware 4

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Description

"Division of Powers with the Same Base" Operation of Integers PPT Courseware 4

teaching objectives

knowledge and abilities

Arithmetic rules and applications for division of powers with the same base

Process and Method

1. Experience the process of exploring the algorithm for division of powers with the same base, and be able to perform division operations with powers of the same base;

2. Understand the arithmetic of division of powers with the same base and develop organized thinking and expression skills.

Emotional attitudes and values

1. Experience the process of exploring the division algorithm of powers with the same base, gain successful experience, accumulate rich mathematical experience, and penetrate the simple beauty and harmonious beauty of mathematical formulas;

2. Promote diversified algorithms and cultivate innovative spirit and capabilities.

think about it

Calculate the following equations and see how the results follow:

(1)89÷83=86

(2)108÷105=103

(3) x8÷x2=x6

(4)(a)4÷a=a3

Knowledge points

Generally, we have am÷an=am-n (a≠0, m, n are all positive integers, and m>n).

That is, when powers with the same base are divided, the base remains unchanged and the exponents are subtracted.

Example 5 Fill in the blanks

(1) a3·( )=a10;

(2) (m+n)4·( )=(m+n)5;

(3)xa·( )=xa+b.

Class summary

1. Division rules for powers with the same base

When powers with the same base are divided, the base remains unchanged and the exponents are subtracted.

am÷an=am-n(a≠0, m, n are all positive integers, and m>n).

2. Any number not equal to 0 raised to the 0th power is 1.

a0=1(a≠0)

Practice in class

1. (1) 108÷103=______;

(2)(-a)11÷(-a)3=______;

(3)x10÷(-x2)3=_____.

2. (1) (-a) 12÷ (-a) 6 = ______;

(2)x8÷x4×x0=______;

(3) a3×a4÷a6=_____.

Keywords: teaching courseware for operation of integers, teaching courseware for division of powers with the same base, Beijing Normal University edition seventh grade mathematics volume 2 PPT courseware, download of seventh grade mathematics slide courseware, download of PPT courseware for operation of integers, division of powers with the same base PPT Courseware download, .ppt format

For more information about the PPT courseware "Operations of Division of Integers with Powers of the Same Base", please click the "Operations of Division of Integers with Powers of the Same Base ppt" ppt tag.

"Division of Powers with the Same Base" PPT download:

"Division of powers with the same base" PPT download Part 1 content: Knowledge review 1. Division of powers with the same base, base ____, exponent ___. 2. aman=____ (a0, m, n are all positive integers, and mn) 3 .Calculation: (1) 279973 (2) b2mbm-1 (m is an integer greater than 1)..

"Division of powers with the same base" PPT:

"Division of Powers with the Same Base" PPT Part One: Preschool Preparation The intensity of the sound when a person speaks is usually 105, and the intensity of the sound when a motorcycle is driving is 1011. The intensity of the sound when a motorcycle is driving is the intensity of the sound when a person speaks. times? Solution: 10111..

"Division of powers with the same base" PPT courseware 2:

"Division of Powers with the Same Base" PPT Courseware 2 Learning Objectives 1. Through the operational properties of multiplication of powers with the same base, derive the operational properties of division of powers with the same base. 2. Be able to use the operational properties of division of powers with the same base to perform calculations. 3. Be able to utilize the operational properties of exponents with the same base..

File Info

Update Time: 2024-07-29

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《同底数幂的除法》整式的运算PPT课件4
(1)《同底数幂的除法》整式的运算PPT课件4
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