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

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

Part One: Review of Old Knowledge

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, which means ( ) parts ( ).

2. According to the relationship between fractions and division, 3÷5= ( ) 11÷7= ( )

The Kingdom of Fractions and the Kingdom of Decimals PPT, Part 2 Content: Classroom Exploration

Method 1: Drawing method

When using two identical squares to represent "1", divide the square into 100 small squares equally, 0.06 is the 6 small squares among them, and 1/20 is the 5 small squares among them.

So 0.06>1/20

Method 2: Convert fractions into decimals and compare them

1/20＝1÷20＝0.05

Because 0.06>0.05, so 0.06>1/20

The Kingdom of Fractions and the Kingdom of Decimals PPT, Part 3: Class Summary

To convert a fraction into a decimal: divide the numerator by the denominator.

How to convert a decimal into a fraction: How many decimals there are in the original number, just write how many 0's after 1 as the denominator, and remove the decimal point from the original decimal number as the numerator. After being converted into fractions, an offer that can be reduced is reduced to its simplest fraction.

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

1. Compare the sizes of the following sets of numbers and tell us how you compare.

2. Fill in the appropriate fraction or decimal in □.

3. Continuously.

4. Forest doctor.

5. Find information expressed in fractions or decimals in life and communicate with peers.

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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 Download:

"The Kingdom of Fractions and the Kingdom of Decimals" Fraction Addition and Subtraction PPT Download Part One: Learning Objectives: Be able to convert fractions and decimals into each other and compare larger...

""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: 2024-09-03

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

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