"Decimals in Life" Decimal PPT Courseware 2

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"Decimals in Life" Decimal PPT Courseware 2

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325 centimeters = ( ) meters

9 meters 15 centimeters = ( ) meters

summary:

1. To rewrite low-level units into high-level units, divide this number by their advancement rate. Just move the decimal point to the left by the corresponding number of digits.

2. Rewrite the complex number into a decimal. The number in the higher-level unit remains unchanged and is used as the integer part. Rewrite the number in the lower-level unit into the number in the higher-level unit as the decimal part.

Observe the fractions and decimals above. What do you notice?

Fractions with denominators 10, 100, and 1000 can be expressed as decimals;

Fractions with a denominator of 10 are expressed to one decimal place;

Fractions with a denominator of 100 are expressed to two decimal places;

Fractions with a denominator of 1000 are expressed to three decimal places.

fill in the blank:

1. The 5 in 2.57 means five ( ), and the 7 means seven ( ). 2 means ( )

2. The 8 in 0.08 means 8 ( ).

3. There are 87 ( ) in 0.087.

4. 0.175 is composed of 1 ( ), 7 ( ) and ( ) 0.001.

Summary of this lesson

In this class, we mainly learned the meaning of decimals and the method of converting fractions to decimals. How did the students master it? Go back and write a study diary and talk about your own experience.

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For more information about the PPT courseware "Decimals in Life with Decimals", please click the "Decimals in Decimals ppt Life with Decimals ppt" tag.

"Decimals in Life" Decimal PPT courseware:

"Decimals in Life" Decimals PPT Courseware Teaching Objectives In this lesson, we will learn about decimals in life. Students should combine specific situations to realize that there are a large number of decimals in life. Through practical operations, experience the relationship between decimals and decimal fractions, and understand the functions of decimals..

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Update Time: 2024-11-19

This template belongs to Mathematics courseware Western Normal University Edition Fourth Grade Mathematics Volume 2 industry PPT template

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