| Category | Format | Size |
|---|---|---|
| Beijing Normal University Edition Fifth Grade Mathematics Volume 1 | pptx | 6 MB |
"Hare, Square Kilometer" Area PPT Courseware of Combined Graphics
Description
"Hare, Square Kilometer" Area PPT Courseware of Combined Graphics
Recognize it, how big is 1 hectare?
1 hectare=10000m²
How big is a square with side length 100m?
The area of a square with side length 100m is 1 hectare.
Think about it, how big is 1km²?
The area of a square with a side length of 1000m is 1km², which is larger than the area of two Tiananmen Squares.
1km²=1000000m²=100 hectares
practice
1. Go to the school playground and actually walk around and talk to your peers about how big 1 hectare is.
2. The picture on the right is an introduction board of a museum. Read it, do you think the content introduced by the brand is correct? Share your reasons with your partner.
Tigers live in Asia and are known as the "King of Beasts". The Siberian tiger is the largest among tigers. Several tiger species in the world have become endangered and rare species. A navigation survey conducted in the Northeast in early 1983 showed that only two tigers were found in a 7,000-square-meter mountain forest, so the Siberian tiger was listed as a first-class protected animal.
3. Fill in the appropriate area unit (m², hectare, km²) on the horizontal line.
The Old Summer Palace covers an area of approximately 350 hectares.
Olympic Forest Park covers an area of approximately 6.8 hectares.
The Forbidden City covers an area of approximately 720,000 hectares.
4. Fill it out.
30000m²= ( ) hectare 6km² = ( ) hectare
0.64km²＝（ )m² 4800000m²＝（ )km²
Practice.
⑴ Survey how many square kilometers the land area of our country is. Can you know from the map which province, city or autonomous region in my country has the largest area?
⑵ Find a way to measure the area of the school playground. How many square meters is it? How many hectares total?
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For more information about the PPT courseware "Area of Combined Figures Hectares Square Kilometers", please click on the Area of Combined Figures PPT Hectares Square Kilometers PPT tab.
"Hare, Square Kilometer" Area PPT Courseware:
The area of a stamp in the "Hare, Square Kilometer" PPT courseware is about 4 ( ). The area of the classroom table is about 24 ( ). The area of the classroom floor is about 54 ( )... There is a rectangular block near the school. The land is approximately 150 meters long and 100 meters wide. The...
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Update Time: 2024-07-06
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