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

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"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, which can also be written as 0.48 yuan.

Fractions with a denominator of 10, 100, 1000... can be expressed as decimals.

One decimal place represents tenths, two decimal places represent hundredths, and three decimal places represent thousandths...

Quick answer

1. (1) 6 cents and 5 cents is 1 yuan ( ), written as a decimal ( );

(2) 29 centimeters is 1 meter ( ), written as a decimal ( );

2. (1) 0.8 is to divide the integer "1" into 10 equal parts, indicating such ( ) parts;

(2) 0.45 is the average division of the integer "1" into 100 parts, indicating such ( ) parts;

(3) 0.137 is the average division of the integer "1" into 1000 parts, indicating such ( ) parts;

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

"The Meaning and Reading and Writing Methods of Decimals" Preliminary Understanding of Decimals PPT Courseware 2 When measuring and calculating, it is often not possible to get exactly the result of an integer, so decimals are often expressed. Divide the integer 1 evenly into 10 parts, 100 parts, 1000 parts... one or more parts like this...

"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: 2024-09-12

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

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