"Solving Equations" PPT courseware for linear equations of one variable

Description

"Solving Equations" PPT courseware for linear equations of one variable

Term-shifting rule: After changing the sign of a term in the equation, move it from one side of the equation to the other side. This deformation is called term-shifting.

Shift item and sign

Example 1. Solve the equation:

(1) 2x+6=1 (2) 3x+3=2x+7

Example 2. Solve the equation:

(1)1/4x=-1/2x+3

(2)1-3/2x=x/3-5

Note: How to deal with equations with fractional coefficients and equations with more than three terms in the equation?

He is hesitating about which way to choose! Can you help him make a choice?

(1) For 200 minutes and 300 minutes of calls within a month, how much yuan do I need to pay according to the two billing methods?

A call worth 200 points is charged according to two billing methods:

50+0.40×200=130(yuan)

0.60×200=120(yuan)

(2) For a certain call time, will the charges for the two billing methods be the same?

Assume that the accumulated call minutes are

summary

Content: Guide students to combine the content of this lesson to summarize the "term shifting rule" for solving linear equations of one variable and the precautions in the process.

Purpose: Let students summarize and summarize the knowledge they have learned in a timely manner and reflect in a timely manner, because reflection is a key factor in progress.

actual effect:

Students will not only sort out and summarize the knowledge points in class, but also accurately apply the mathematical ideas they learned in class - "transformed thinking methods" to future mathematics learning.

In cooperative learning, students feel that their partners' learning enthusiasm and learning strategies are superior to their own. They will learn from each other, learn from each other's strengths, and make progress together.

Keywords: linear equations in one variable courseware, solving equations courseware, Beijing Normal University edition seventh grade mathematics volume PPT courseware, seventh grade mathematics slide courseware download, linear equations in one variable PPT courseware download, solving equations PPT courseware download, .ppt format

For more information about the PPT courseware "Solving Equations from a Linear Equation of One Variable", please click the "Solving Equations from a Linear Equation ppt" tab.

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"Solving Equations" Equations PPT courseware 3:

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Update Time: 2024-11-22

This template belongs to Mathematics courseware Beijing Normal University seventh grade first volume mathematics industry PPT template

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