"Area of Triangles" Area of Polygons PPT Courseware

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People's Education Press Fifth Grade Mathematics Volume 1	pptx	6 MB

"Area of Triangles" Area of Polygons PPT Courseware

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Upload Time: 2024-10-05

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"Area of Triangles" Area of Polygons PPT Courseware

Let’s put it together: Please take out two identical right triangles and put them together to see what shapes you can make.

Think about it: How does the area of each right triangle relate to the area of the resulting parallelogram?

Can you make a parallelogram from two identical acute-angled triangles? Give it a try.

1. Two identical triangles can be combined into one ( ).

2. The area of a triangle is half the area of the parallelogram with it ( ).

3. Triangles and parallelograms with equal bases and equal heights. The area of the triangle is 24 square centimeters and the area of the parallelogram is ( ).

4. If the base of a triangle is expanded by 2 times and the height is expanded by 3 times, the area is ( ).

judge

1. The area of a triangle is half of the area of a parallelogram.

2. Two triangles can be combined to form a parallelogram.

3. If the areas of two triangles are equal, then the shapes are also the same.

4. Draw the largest triangle within a square. The area of the triangle is half of the area of the square.

This courseware provides a comprehensive introduction to the area of polygons through small games and exercises, which improves students' interest in learning and helps students better understand and remember the knowledge points of the area of triangles. It is a good classroom teaching courseware.

Keywords: Area of polygons courseware, Area of triangles courseware, New People’s Education Edition fifth grade mathematics PPT courseware, fifth grade mathematics slide courseware download, Area of polygons PPT courseware download, Area of triangles PPT courseware download, .ppt format

For more information about the "Area of Polygons and Areas of Triangles" PPT courseware, please click the Area of Polygons ppt Area of Triangles ppt tag.

"The Area of a Triangle" Calculation of the Area of a Polygon PPT Courseware 4:

"The Area of a Triangle" Calculation of the Area of a Polygon PPT Courseware 4 Operation and exploration requirements: (1) What figure can be created by putting two identical triangles together? (2) Can you calculate the area of the spelled out figure? (3) The spelled out figure is the same as the original triangle..

"The Area of a Triangle" Calculation of the Area of a Polygon PPT Courseware 3:

"Area of Triangles" Calculation of the Area of Polygons PPT Courseware 3 Are the areas of the following three triangles equal? Why? The area of the red triangle: 642=12 (square centimeters) The area of the black triangle: 642=12 (square centimeters) The area of the green triangle:..

"The Area of a Triangle" Calculation of the Area of a Polygon PPT Courseware 2:

"Area of Triangles" Calculation of the Area of Polygons PPT Courseware 2 Review Import (1) What is the formula for calculating the area of a triangle? How is it derived? The formula for the area of a triangle: S=ah2 (2) Who can tell me the formula for the area of a triangle and the formula for a parallelogram...

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Update Time: 2024-10-05

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"Area of Triangles" Area of Polygons PPT Courseware