"Area of ​​Parallelogram" Area of ​​Polygon PPT Courseware

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"Area of ​​Parallelogram" Area of ​​Polygon PPT Courseware

What are the base and height of the parallelogram below?

Can you find the area of ​​a parallelogram by counting grids?

Guess: What is the relationship between the base and height of this parallelogram and its area?

discuss:

1. Is there any change in the area of ​​the converted rectangle compared with the area of ​​the original parallelogram? Why?

2. What is the relationship between the length of this rectangle and the base of the parallelogram?

3. What is the relationship between the width of this rectangle and the height of the parallelogram?

The area of ​​the parallelogram below is:

A: 30×25=750 square decimeters

B: 25×20=500 square decimeters

C: 30×20=600 square decimeters

1. Calculate the area of ​​each parallelogram below.

(1) Bottom = 8 decimeters, height = 9 decimeters

(2) a=25cm, h=4cm

2. Choice:

(1) It is known that the base of a parallelogram is 2 meters and the height is 5 decimeters. Its area is ( ).

A. 10 square meters B. 100 square decimeters C. 100 decimeters

(2) It is known that the area of ​​a parallelogram is 30 square meters, the base is 6 meters, and the height is ( ).

A. 180 square meters B. 5 square meters C. 5 meters

(3) Which one of A, B, and C has an area of ​​3×2=6 square centimeters ( ).

This courseware provides a comprehensive introduction to the area of ​​parallelograms 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 ​​polygons. It is a good classroom teaching courseware.

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

"Area of ​​Parallelogram" Area of ​​Polygon PPT Courseware 3:

"Area of ​​Parallelograms" Area of ​​Polygons PPT Courseware 3 Teaching Objectives 1. Experience the process of exploring the formula for the area of ​​a parallelogram through hands-on operations, discussion, and induction. 2. Explore and master the area formula of parallelograms, and be able to use the formula to calculate the area of ​​parallelograms..

"Area of ​​Parallelogram" Area of ​​Polygon PPT Courseware 2:

"Area of ​​Parallelogram" Area of ​​Polygon PPT Courseware 2 The picture below is a parallelogram. Each square in the figure represents 1 square centimeter. Please use the method of counting squares to find out its area. (If it is less than one square, it will be calculated as half a square.) Observe the following two...

"Calculation of the Area of ​​a Parallelogram" Area of ​​a Polygon PPT Courseware:

"Calculation of the Area of ​​a Parallelogram" PPT Courseware on the Area of ​​Polygons Count: The area of ​​a parallelogram ( ) square centimeters The area of ​​a rectangle is ( ) square centimeters Example question What is the area of ​​a parallelogram steel plate (as shown below)? (Keep the number...

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Update Time: 2024-11-21

This template belongs to Mathematics courseware People's Education Press Fifth Grade Mathematics Volume 1 industry PPT template

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