"Comparing the Areas of Figures" Area of ​​Polygons PPT Courseware

Description

"Comparing the Areas of Figures" Area of ​​Polygons PPT Courseware

Naughty has another discovery, think about it and do it.

As shown in the picture, the areas of the two figures are equal.

After such a division and padding, the area of ​​the graphic does not change. This is the mathematical principle of "incoming and outgoing complement each other".

practice

Do the following exercises based on the graphics on the courseware

1. Which of the following figures has the same area as figure ①?

2. As shown in the picture, a rectangle is missing a piece. Which shape do you think can be added to make the rectangle complete?

3. Which of the following shapes can be made up of the two shapes on the left?

4. In the graph paper on the right, the side length of each small square represents 1cm. Please draw 3 different shapes with an area of ​​12cm2.

5. Cut the shape A into two parts so that they can be combined into shape B. If you want to form a figure C, how can you cut it?

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For more information about the "Area of ​​Polygons Comparing the Areas of Shapes" PPT courseware, please click the Area of ​​Polygons PPT Comparing the Areas of Shapes PPT tag.

"Comparing the Areas of Figures" Area of ​​Polygons PPT teaching courseware:

"Comparing Areas of Figures" Area of ​​Polygons PPT Teaching Courseware Part One: Review of Old Knowledge Please recall, what plane figures have we already learned? ... ... ... Comparing the areas of graphs PPT, part 2: exploring new...

"Comparing the Areas of Figures" PPT download of the area of ​​polygons:

"Comparing the Areas of Figures" PPT Download of the Area of ​​Polygons Part One: Scenario Introduction Students, recall, what plane figures have we already learned? What is the perimeter of this rectangle? What part of the area is it? How can we know the area of ​​a rectangle..

"Comparing the Areas of Figures" Area of ​​Polygons PPT:

"Comparing the Areas of Figures" Area of ​​Polygons PPT Part One Content: Classroom Introduction 1. With the help of graph paper, you can directly determine the area of ​​a figure...

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Update Time: 2024-11-17

This template belongs to Mathematics courseware Beijing Normal University Edition Fifth Grade Mathematics Volume 1 industry PPT template

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