"Interconversion of Fractions and Decimals" PPT courseware on the meaning and properties of fractions

Description

"Interconversion of Fractions and Decimals" PPT courseware on the meaning and properties of fractions

teaching objectives:

Enable students to understand and master the relationship between fractions and decimals, master the relationship between fractions and division, and master the methods of converting fractions into decimals and decimals into decimals.

Review before class:

1. Look at the pictures and write fractions and decimals.

2. Name the fraction units of each of the following fractions and how many such units there are.

3. 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, which means ( ) parts ( ).

"Dangtangqing" test:

1. Fill in the blanks.

1. When converting 0.25 into a fraction, because 0.25 is ( ) a decimal, write ( ) a 0 after 1 to make ( ), remove the decimal point from 0.25 to make ( ), and finally ( ).

2. When converting 1/1000 to a decimal, the integer part remains unchanged. Just remove the denominator and see how many 0s there are after the denominator 1. Start from ( ) in the numerator, count the ( ) digits toward ( ), and click on ( ). result( ).

Use your brain:

Divide 0.a into a fraction without reduction and it will be the simplest fraction. How many such decimals are there?

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

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Update Time: 2024-09-16

This template belongs to Mathematics courseware People's Education Press fifth grade mathematics volume 2 industry PPT template

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