"Understanding of Hectares" Hectares and Square Kilometers PPT Courseware 2

Description

"Understanding of Hectares" Hectares and Square Kilometers PPT Courseware 2

teaching objectives

Through the study of this lesson, students should know that hectare is a commonly used unit of land area; through actual observation and calculation, students will understand the actual size of 1 hectare and establish a spatial concept of how big 1 hectare is; and be able to make simple calculations between hectares and square meters. unit conversion.

group communication

1. To measure and calculate land area, _____ is usually used as the unit, which can be represented by the symbol "_______".

2. A square piece of land with side length _______ has an area of ​​1 hectare.

3.1 hectare =_______ square meters.

4.6 hectares =_______ square meters

90,000 square meters =_______ hectares

2000 square meters =_______ hectares

Communication requirements:

The group was carefully arranged and organized. One student spoke, and the other students listened carefully and made additions. Form a consensus in the study group and then report and communicate.

fill in the blank:

(1) The classroom area of ​​Class 53 is about 50 square meters, and the area of ​​( ) such a classroom is 1 hectare.

(2) The area of ​​your house is about ( ) square meters, and the area of ​​( ) such a house is 1 hectare.

Fill in the appropriate area unit

The area of ​​the school’s lecture theater is about 200 square meters ( )

Our school covers an area of ​​about 2 ( )

Haimen City covers an area of ​​approximately 100,200 square meters ( )

The screen area of ​​a computer is approximately 780 ( )

Fill in the appropriate numbers in the brackets

50 hectares = ( ) square meters

1,600,000 square meters = ( ) hectares

4 hectares = ( ) square meters

70,000 square meters = ( ) hectares

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"Understanding of Hectares" Hectares and Square Kilometers PPT courseware:

"Understanding of Hectares" Hectares and Square Kilometers PPT Courseware To measure and calculate land area, hectares are usually used as the unit. Hectares can be represented by the symbol hm. Little common sense: 28 children hold hands and form a square with an area of ​​about 100 square meters. Think about it: ..

File Info

Update Time: 2024-10-02

This template belongs to Mathematics courseware Jiangsu Education Edition Fifth Grade Mathematics Volume 1 industry PPT template

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