"Understanding Decimals" The meaning and properties of decimals PPT courseware 2

Description

"Understanding Decimals" The meaning and properties of decimals PPT courseware 2

teaching objectives

In this lesson, we mainly learn to understand decimals. Through learning, students must understand decimals on the basis of fractions, know what decimals are, the meaning of decimals, and learn how to convert fractions and decimals into each other.

Can you teach yourself?

The 1, 2, 3, 4... that we have learned before represent the number of objects are ( ), and 0 is also ( ). They are all ( ).

Like the above 0.5, 0.4, 1.2, 3.5 are all ( ).

The point in the middle of the decimal point is called ( ), the left side of the decimal point is ( ), and the right side is ( ).

Can you continue writing?

(1) 0.1, 0.3, 0.5, ( ), ( )...

(2) 0.3, 2.3, 4.3, ( ), ( )...

(3)1.2, 2.3, 3.4, ( ), ( )......

Decimals are decimal fractions.

Liu Hui, an ancient Chinese mathematician, used decimal fractions in his book "Nine Chapters on Arithmetic" more than 1,700 years ago.

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

"Understanding Decimals" PPT:

"Understanding Decimals" PPT Part One: Analysis of Examples Example 1 Name the prices of the following items. A rag doll costs 11 yuan and 30 cents. A kite costs 8 yuan and 8 jiao. 7.25 yuan is 7 yuan, 2 cents and 5 cents. Numbers like 7.25, 8.80, 1.06, and 0.58 are all called decimals.

"Understanding Decimals" PPT courseware on the meaning and properties of decimals:

"Understanding Decimals" The meaning and properties of decimals PPT courseware Teaching objectives 1. Knowledge objectives: Through learning, everyone can understand decimals on the basis of fractions, know what decimals are, the meaning of decimals, and learn the mutual conversion of fractions and decimals. 2. Ability goal: Cultivate everyone’s theoretical...

"Can you pass it?" Understanding decimals PPT courseware:

"Can you pass it?" PPT courseware on understanding decimals. Let's talk about it. 1 jiao is 0.1 yuan. 1 decimeter is 0.1 meter. Two dimes are ____ yuan. 2 decimeters are ____ meters. Three dimes are ____ yuan. 3 decimeters are ____ meters. Four dimes are ____ yuan. 4 decimeters are...

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Update Time: 2024-09-08

This template belongs to Mathematics courseware Jiangsu Education Edition Fifth Grade Mathematics Volume 1 industry PPT template

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