"Comparing the Size of Decimals" Preliminary Understanding of Decimals PPT Courseware

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"Comparing the Size of Decimals" Preliminary Understanding of Decimals PPT Courseware

(1) 0.8 yuan is 8 jiao, 1.2 yuan is 1 yuan and 2 jiao, 1 yuan and 2 jiao is greater than 8 jiao, ( ) is more expensive.

(2) 0.8 yuan is less than 1 yuan, and 1.2 yuan is more than 1 yuan, so ( ) is more expensive.

(3) The integer part of 0.8 is 0, the integer part of 1.2 is 1, 0 is smaller than 1, 0.8 is smaller than 1.2, ( ) is more expensive.

How to compare decimal sizes

Compare the integer part first, the number with the larger integer part is larger;

If the integer parts are the same, compare the numbers in the tenth place, and the number with the larger number in the tenth place is greater;

The numbers on the tenth place are also the same. Just compare the numbers on the percentile. The number with the larger number on the percentile is larger;

So on and so forth.

expand:

Two more frogs came over to participate in the competition. At this time, the big eyes were first, the small flowers were third, and the big mouth was fourth. Please fill in the results of second and fifth place.

Using the four numbers 1, 3, 8, and 0, choose two numbers together with the decimal point to form a decimal as required.

(1) A number less than 1. 0.1, 0.3, 0.8

(2) A number greater than 1. 1.3, 1.8, 3.0, 3.1, 3.8, 8.0, 8.1, 8.3

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"Comparing the Size of Decimals" Preliminary Understanding of Decimals PPT Courseware 2:

"Comparing the Sizes of Decimals" Preliminary Understanding of Decimals PPT Courseware 2 Learning Objectives In this lesson we will mainly study the comparison of the sizes of decimals. Students should understand and master the method of comparing the sizes of decimals based on actual examples, and be able to use this comparison method to compare The size of the decimal...

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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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