"Fractions and Decimals" Fraction PPT Courseware 2

Description

"Fractions and Decimals" Fraction PPT Courseware 2

learning target:

1. Knowledge and skills: Understand and master the methods of converting decimals and fractions into each other.

2. Excessive length and method: can convert decimals into fractions correctly, and can also convert fractions with denominators of 10, 100, 1000... into decimals.

3. Emotions, attitudes and values: ⑴ Cultivate good habits of using your hands and brain diligently. ⑵ Guide everyone to love life and pay attention to everything around them.

If the denominator is 10, 100, 1000, etc., you can directly remove the denominator and see how many zeros there are after 1 in the denominator. Then count the number to the left from the last digit in the numerator and click on the decimal point.

Review before class:

The unit of counting for decimals is ( )

Write separately ( )

The progression rate of adjacent decimal counting units is ( )

fill in the blank:

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 ( ).

Use your brain:

If 0.a is a one-digit decimal, if 0.a is converted into a fraction, it will be a simplest fraction without reduction. How many such decimals are there?

Summary of this lesson

1. Understand and master the methods of converting decimals and fractions into each other.

2. Be able to correctly convert decimals into fractions, and at the same time, be able to convert fractions whose denominators are 10, 100, 1000... into decimals.

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For more information about the "Fractions, Fractions and Decimals" PPT courseware, please click the Fractions ppt Fractions and Decimals ppt tab.

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Update Time: 2024-10-03

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

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