"The Meaning and Reading and Writing Methods of Decimals" Preliminary Understanding of Decimals PPT Courseware 2

Description

"The Meaning and Reading and Writing Methods of Decimals" Preliminary Understanding of Decimals PPT Courseware 2

When making measurements and calculations, it is often not possible to obtain exactly integer results, so decimals are often used to express them.

Divide the integer 1 evenly into 10 parts, 100 parts, and 1,000 parts. Such a part or parts is a few tenths, a few hundredths, or a thousandths. The number written in the form without a denominator is called decimal.

Fractions with denominators 10, 100, 1000 ��� can be expressed as decimals.

The counting units of decimals are one-tenth, one-hundredth, and one-thousandth, which are written as 0.1, 0.01, and 0.001 respectively.

Fill it out

1. The counting unit of 0.8 is ( ), and there are ( ) ( ).

2. The counting unit of 0.06 is ( ), and there are ( ) ( ).

3. The counting unit of 0.34 is ( ), and there are ( ) ( ).

Summary

When making measurements and calculations, it is often not possible to obtain exactly integer results, so decimals are often used to express them.

Divide the integer 1 evenly into 10 parts, 100 parts, and 1,000 parts. Such a part or parts is a few tenths, a few hundredths, or a thousandths. The number written in the form without a denominator is called decimal.

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"The Meaning and Reading and Writing Methods of Decimals" Preliminary Understanding of Decimals PPT Courseware 3:

"The Meaning and Reading and Writing Methods of Decimals" Preliminary Understanding of Decimals PPT Courseware 3 1 yuan = 100 points 1 point is 1/100 of 1 yuan, and can also be written as 0.01 yuan; 5 points is 5/100 of 1 yuan, and can also be written as 0.05 yuan; 40 cents and 8 cents is 48/100 of 1 yuan, and can also be written as 0.48 yuan. .....

"The Meaning and Reading and Writing Methods of Decimals" PPT courseware for preliminary understanding of decimals:

"The Meaning and Reading and Writing Methods of Decimals" Preliminary Understanding of Decimals PPT Courseware Imported into New Lessons In the past, we have learned some numbers, such as 0, 1, 2, 3, 4, 10, 100, 1000, etc. What are these numbers? ? I also learned some numbers, such as 0.1, 0.2, 0.13, 2.56, etc., these...

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Update Time: 2024-11-22

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

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