"Properties of Decimals" The meaning and properties of decimals PPT courseware 4

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Jiangsu Education Edition Fifth Grade Mathematics Volume 1	pptx	6 MB

"Properties of Decimals" The meaning and properties of decimals PPT courseware 4

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Upload Time: 2024-11-24

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"Properties of Decimals" The meaning and properties of decimals PPT courseware 4

teaching objectives

In this lesson, we mainly study the properties of decimals. Students must initially understand the properties of decimals through group cooperative learning and be able to use the properties of decimals to correctly simplify and rewrite decimals.

0.3 yuan is 3 jiao, and 0.30 yuan is also 3 jiao, so 0.3 yuan = 0.30 yuan.

0.3 is 3 0.1, which is 30 0.01;

0.30 is also 30 0.01, so 0.3=0.30.

(1) 0.3=0.30 What is the difference between these two decimals?

There is an extra "0" at the end of the second decimal.

(2) What did you find?

Add 0 to the end of the decimal to keep the size of the decimal unchanged.

0.3 = 0.30

0.100 meters = 0.10 meters = 0.1 meters

Adding "0" or removing "0" from the end of the decimal will keep the size of the decimal unchanged. This is the nature of decimals.

Let's do some exercises to consolidate.

1. Which 0's can be removed from the following numbers, and which 0's cannot be removed? Why?

1.80 0.250 703.050 17.000

60.0 0.060 300 80.040

2. Connect equal numbers with lines.

4.30 7.2030

0.018 0.08

7.203 4.300

0.080 0.180

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For more information about the PPT courseware "The Meaning and Properties of Decimals and the Properties of Decimals", please click the "The Meaning and Properties of Decimals ppt Properties of Decimals" ppt tag.

"Properties of Decimals" The meaning and properties of decimals PPT courseware 3:

"Properties of Decimals" The meaning and properties of decimals PPT courseware 3 Teaching objectives 1. Knowledge objectives: Preliminarily understand the properties of decimals through group cooperative learning; be able to use the properties of decimals to correctly simplify and rewrite decimals. 2. Ability goal: Cultivate everyone to use flexibly...

"Properties of Decimals" Decimal PPT Courseware 3:

"Properties of Decimals" Decimal PPT Courseware 3 Teaching Objectives In this lesson we mainly study the properties of decimals. Students will understand and master the properties of decimals based on actual examples and be able to solve related practical problems. 1. Simplify 0.70 and 105.0900 0.70= ( ) 105..

"Properties of Decimals" Decimal PPT Courseware 2:

"Properties of Decimals" Decimal PPT Courseware 2 Teaching Objectives In this lesson we mainly study the properties of decimals. Students will understand and master the properties of decimals based on actual examples and be able to solve related practical problems. Properties of decimals: Add 0 to the end of the decimal part or remove...

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"Properties of Decimals" The meaning and properties of decimals PPT courseware 4