"Classification of Triangles" Understanding Triangles and Quadrilaterals PPT Courseware 3

Description

"Classification of Triangles" Understanding Triangles and Quadrilaterals PPT Courseware 3

teaching objectives

Know how triangles can be divided into categories according to their sides and angles.

Know the characteristics of each type of triangle.

Able to solve relevant practical problems.

Fill it out:

1. Triangles are classified according to angles and can be divided into ( ) triangle, ( ) triangle and ( ) triangle.

2. In a triangle, there are at least ( ) acute angles, at most ( ) acute angles, and at most ( ) right or obtuse angles.

3. The largest angle in a triangle is an acute angle. This triangle is a ( ) triangle.

4. The largest angle in a triangle is 120°. This triangle is a ( ) triangle.

Cut it

How should we cut the parallelogram below into two identical acute-angled triangles? How about cutting it into two identical obtuse triangles?

draw a picture

Can you draw a line segment in each of the triangles below to divide it into two right triangles?

Draw a line segment in the right triangle to divide it into two triangles. What kind of triangles did you divide into two? How else can we divide it?

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For more information about the "Classification of Triangles and Understanding Triangles and Quadrilaterals" PPT courseware, please click on the "Classification of Triangles ppt and Understanding Triangles and Quadrilaterals" ppt tag.

"Classification of Triangles" Triangle PPT Courseware 3:

"Classification of Triangles" Triangle PPT Courseware 3 According to the characteristics of the angles of triangles Acute triangle: A triangle in which all three angles are acute. Right triangle: A triangle with one right angle. Obtuse triangle: A triangle with one obtuse angle. ... .....

"Classification of Triangles" Triangle PPT Courseware 2:

"Classification of Triangles" Triangle PPT Courseware 2 Teaching Objectives In this lesson we will mainly learn the classification of triangles. Students must understand and master the categories of triangles, what characteristics each category of triangles has, and how they can solve relevant practical problems. question. Fill in the blanks ..

"Classification of Triangles" Triangles, Parallelograms and Trapezoid PPT Courseware 3:

"Classification of Triangles" Triangle Parallelogram and Trapezoid PPT Courseware 3 (1) A figure consisting of three line segments ( ) is called a triangle. (2) A triangle has three ( ) and ( ) angles. (3) The triangle in ( ) is called an acute triangle. (4) There is a corner...

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Update Time: 2024-10-05

This template belongs to Mathematics courseware Mathematics Volume 2 for Grade 4 of Beijing Normal University industry PPT template

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