"Understanding of Hectares and Square Kilometers" Calculation of Polygon Area PPT Courseware 2

Description

"Understanding of Hectares and Square Kilometers" Calculation of Polygon Area PPT Courseware 2

teaching objectives

1. Knowledge objectives: Let everyone know the commonly used land area units - hectares and square kilometers, learn to measure land area, and know how big 1 hectare is.

2. Ability goal: enable everyone to master the rate of progress and unit conversion between land area units.

3. Emotional goals: ⑴ Cultivate good habits of using your hands and brain diligently. ⑵ Guide everyone to love life and pay attention to everything around them.

Tiananmen Square in Beijing is the largest square in the world, covering an area of ​​about 40 ( )

A football field is 110 meters long and 75 meters wide. What is its area in square meters?

(1) my country's famous garden, the Old Summer Palace in Beijing, covers an area of ​​about 350 hectares, covering () square kilometers.

(2) The New Yuanming Palace built in Zhuhai in 1997 covers an area of ​​approximately 1.39 square kilometers, or ( ) hectares.

Summary of this lesson

Master the progress rate and unit conversion between land area units.

1 hectare = 10,000 square meters

1 square kilometer = 1,000,000 square meters = 100 hectares

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For more information about the PPT courseware "Calculation of polygon area and understanding of hectares and square kilometers", please click the Calculation of polygon area ppt and understanding of hectares and square kilometers ppt tag.

"Understanding of Hectares and Square Kilometers" Calculation of the Area of ​​Polygons PPT Courseware 3:

"Understanding of Hectares and Square Kilometers" Calculation of Polygonal Area PPT Courseware 3 1. What are the commonly used units of area? Square meter Square decimeter Square centimeter 1 square decimeter =100 square centimeters 1 square meter =100 square decimeters The rate of progress between two adjacent area units..

"Understanding of Hectares and Square Kilometers" Calculation of Polygon Area PPT Courseware:

"Understanding of Hectares and Square Kilometers" Calculation of Polygon Area PPT Courseware The area of ​​a stamp is about 8 ( ) The area of ​​the classroom desk is about 24 ( ) The area of ​​the classroom floor is about 50 ( ) How big is 1 hectare? A side length of 100 meters The square land area is 1 hectare. 100100..

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Update Time: 2024-10-19

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

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