"Quadratic Radical Formula" PPT Courseware 4

"Quadratic Radical Formula" PPT Courseware 4

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"Quadratic Radical Formula" PPT Courseware 4

Goal analysis

(1)Knowledge goals

Enable students to master the concept and properties of quadratic radicals.

⑵Ability goals

Through the exploration of the concept and properties of quadratic radicals, students' ability to explore mathematics and their ability to express themselves through induction will be improved.

⑶Emotional goals

Let students experience mathematical activities such as observation, comparison, summary and application, feel that mathematical activities are full of exploration and creativity, experience the fun of discovery, and improve their awareness of application.

Analysis of important and difficult points

Focus: The concept of quadratic radicals and their basic properties.

Difficulty: Flexible application of the basic properties of quadratic radicals.

review

What are the properties of square roots?

� A positive number has two square roots, which are opposites of each other;

� The square root of 0 is 0;

� In the range of real numbers, negative numbers have no square root.

Class summary

The definition of quadratic radical: √a (a≥0)

Properties of quadratic radicals: (1) √a≥0 (a≥0) (2) (√a)²=a (a≥0) (3)√a²=|a|=a ( a≥0) or -a (a<0)

Note: In the quadratic root formula, the radicand must be non-negative.

The courseware contains a wealth of examples, fully explains the definition and properties of quadratic radicals, and strengthens difficult and key content. It is very suitable for junior high school mathematics teaching.

Keywords: Quadratic radical teaching courseware, New People's Education Edition eighth grade mathematics volume 2 PPT courseware, eighth grade mathematics slide courseware download, quadratic radical PPT courseware download, .ppt format

For more information about the "Quadratic Radicals" PPT courseware, please click the Quadratic Radicals ppt tab.

"Mixed Operations of Quadratic Radicals" PPT courseware:

"Mixed Operations of Quadratic Radicals" PPT courseware What characteristics do they have to be combined in order to perform addition and subtraction operations of quadratic radicals? (1) Name three quadratic radicals of the same kind for 25; (2) Try to name a group of quadratic radicals of the same kind. (3) Which of the following formulas are quadratic radicals of the same kind?

"Addition and Subtraction Operations of Quadratic Radicals" PPT courseware:

"Addition and Subtraction Operations of Quadratic Radicals" PPT courseware Steps: Step 1: Convert each quadratic radical into the simplest quadratic radical. Step 2: Combine the quadratic radicals that can be combined. Summary: For quadratic radicals like 3, 12, and 75, after simplification, we use the square root of...

"Multiplication and Division Operations of Quadratic Radicals" PPT courseware:

"Multiplication and Division Operations of Quadratic Radicals" PPT courseware summary: 1. ab = ab (a0, b0) 2. a/b = a/b (or ab = ab) (a0, b>0) Note: Quadratic radicals The result of the operation should be reduced to the simplest quadratic radical. Removing the quadratic radical from the denominator is called rationalization of the denominator. Now...

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"Quadratic Radical Formula" PPT Courseware 4

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