"Area Unit" Area of ​​Rectangle and Square PPT Courseware 2

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"Area Unit" Area of ​​Rectangle and Square PPT Courseware 2

In daily life, in order to calculate the area uniformly, people often use area units to calculate.

Hello everyone! My name is Square Centimeter, nice to meet you!

A square with a side length of 1 cm has an area of ​​1 square centimeter.

Fill in the appropriate serial number

① Square centimeters ② Square decimeters ③ Square meters

④centimeters ⑤decimeters ⑥meters

(1) The area of ​​the stamp is about 2 ( ).

(2) The area of ​​the classroom desktop is about 8 ( ).

(3) The length of the pencil is about 12 ( ).

(4) The classroom floor area is about 50 ( ).

Three area units are used to measure the area of ​​different objects:

To measure the area of ​​a larger object, such as measuring the area of ​​a playground, use ( ) as the unit.

To measure the area of ​​a general object, such as measuring the area of ​​a handkerchief, use ( ) as the unit.

To measure the area of ​​a small object, such as measuring the area of ​​a stamp, use ( ) as the unit.

Please be a little judge again.

1. The area of ​​a piece of eraser is approximately 4 square centimeters. ( )

2. The area of ​​the cover of a mathematics book is approximately 3 square decimeters. ( )

3. A square with a side length of 1 meter has an area of ​​1 meter. ( )

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For more information about the PPT courseware "Area Units of Rectangles and Squares", please click on the Area Units ppt tab of Rectangles and Squares.

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Update Time: 2024-11-02

This template belongs to Mathematics courseware Jiangsu Education Edition Third Grade Mathematics Volume 2 industry PPT template

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