""Kingdom of Fractions" and "Kingdom of Decimals"" Fraction Addition and Subtraction PPT Download

Description

""Kingdom of Fractions" and "Kingdom of Decimals"" Fraction Addition and Subtraction PPT Download

Part One: Learning Objectives

Able to convert fractions and decimals into each other and compare their sizes. (emphasis)

Master the methods of converting fractions and decimals into each other. (difficulty)

The Kingdom of Fractions and the Kingdom of Decimals PPT, Part 2: Exploring New Knowledge

Knowledge points: Methods to convert fractions and decimals into each other and compare their sizes

(1) Compare, which number is larger: 0.06 in the "Kingdom of Decimals" or 1/20 in the "Kingdom of Fractions"?

(2) The "Kingdom of Fractions" and the "Kingdom of Decimals" have different rulers. Can you help "translate" them?

(3) Convert the following decimals into fractions or fractions into decimals, and share your approach with your peers.

Knowledge refining

Method of converting decimals into fractions: According to the meaning of decimals, finite decimals can be directly written as fractions whose denominators are 10, 100, 1000... How many decimals does it turn out to be? Just write a few 0s after 1 as the denominator, remove the original decimal points as the numerator, and reduce the number to the simplest fraction that can be reduced.

How to convert a fraction to a decimal: Divide the numerator by the denominator to convert it to a decimal. If the division cannot be completed, a certain number of decimal places shall be retained as required.

The Kingdom of Fractions and the Kingdom of Decimals PPT, Part 3: Consolidation Practice

1. Fill in the appropriate fraction or decimal in □. (Selected from textbook P8 T2)

2. Continuously (selected from textbook P8 T3)

3. Forest doctor. (Selected from textbook P8 T4)

4. It took Xiao Ming 0.8 hours to complete a draft of an essay, and it took Xiao Gang 5/6 hours to complete a draft of an essay. Who writes faster?

The Kingdom of Fractions and the Kingdom of Decimals PPT, Part 4: Class Summary

What knowledge have you learned in this class?

Method of converting decimals into fractions: According to the meaning of decimals, finite decimals can be directly written as fractions whose denominators are 10, 100, 1000... How many decimals does it turn out to be? Just write a few 0s after 1 as the denominator, remove the original decimal points as the numerator, and reduce the number to the simplest fraction that can be reduced.

How to convert a fraction to a decimal: Divide the numerator by the denominator to convert it to a decimal. If the division cannot be completed, a certain number of decimal places shall be retained as required.

The Kingdom of Fractions and the Kingdom of Decimals PPT, Part 5: Homework

Assignment 1: Complete the exercises related to the textbook.

Assignment 2: Complete the corresponding exercises.

Keywords: Beijing Normal University edition fifth grade mathematics volume 2 free download PPT courseware, Kingdom of Fractions and Kingdom of Decimals PPT download, fraction addition and subtraction PPT download, .PPT format;

For more information about the PPT courseware "Fractions Addition and Subtraction, the Kingdom of Fractions and the Kingdom of Decimals", please click on the Addition and Subtraction of Fractions PPT, the Kingdom of Fractions and the Kingdom of Decimals PPT tag.

""Kingdom of Fractions" and "Kingdom of Decimals"" Fraction Addition and Subtraction PPT:

"The Kingdom of Fractions and the Kingdom of Decimals" Fraction Addition and Subtraction PPT Part One: Review of Old Knowledge 0.3 There are ( ) tenths in it, which means ( ) divided by ( ). There is ( ) one hundredth in 0.17, which means ( ) divided by ( ). 0.009 contains...

""Kingdom of Fractions" and "Kingdom of Decimals"" Fraction Addition and Subtraction PPT Courseware 2:

"Kingdom of Fractions and Kingdom of Decimals" Fraction Addition and Subtraction PPT Courseware 2 Practice 1. Compare the sizes of the following sets of numbers and talk about how you compare. 2. Fill in the appropriate fraction or decimal in the box. 3. Continuously. 4. Forest doctor. 5. Find uses in life..

""Kingdom of Fractions" and "Kingdom of Decimals"" Fraction Addition and Subtraction PPT Courseware:

"The Kingdom of Fractions and the Kingdom of Decimals" PPT courseware on addition and subtraction of fractions. Fill in the blanks: There are ( ) tenths in 0.3, which means ( ) divided by ( ). There is ( ) one hundredth in 0.17, which means ( ) divided by ( ). There are ( ) thousandths in 0.009..

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Update Time: 2024-10-05

This template belongs to Mathematics courseware Beijing Normal University Edition Fifth Grade Mathematics Volume 2 industry PPT template

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