"Understanding of Hectare" PPT Courseware of Hectare and Square Kilometer

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Jiangsu Education Edition Fifth Grade Mathematics Volume 1	pptx	6 MB

"Understanding of Hectare" PPT Courseware of Hectare and Square Kilometer

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Upload Time: 2024-10-05

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"Understanding of Hectare" PPT Courseware of Hectare and Square Kilometer

The measurement and calculation of land area, usually in hectares.

Hectares can be represented by the symbol "hm²".

common sense:

28 children held hands and formed a square with an area of about 100 square meters.

Think about it:

How many such squares have an area of approximately 1 hectare?

A parallelogram vegetable plot has a base of 250 meters and a height of 160 meters. How many square meters is this vegetable plot? How many hectares total?

250×160=40000 (square meters)

40,000 square meters = 4 hectares

Answer: This vegetable field covers 40,000 square meters, or 4 hectares.

Our classroom is about 9 meters long and 7 meters wide, with an area of ( ) square meters.

Are 10 such classrooms or 100 such classrooms enough for one hectare?

Approximately ( ) such classrooms have an area of 1 hectare.

Fill it out:

6 hectares = ( ) square meters

0.8 hectare = ( ) square meter

70,000 square meters = ( ) hectare

9000 square meters = ( ) hectare

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For more information about the "Understanding of Hectares and Square Kilometers" PPT courseware, please click the "Understanding of Hectares and Square Kilometers ppt" ppt tag.

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

"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, understand the actual size of 1 hectare and establish 1 hectare How big is the concept of space;...

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Update Time: 2024-10-05

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"Understanding of Hectare" PPT Courseware of Hectare and Square Kilometer