"Recurring Decimals" Decimal Division PPT Courseware 4

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"Recurring Decimals" Decimal Division PPT Courseware 4

What are the characteristics of recurring decimals?

Starting from a certain digit in the decimal part, a number or several numbers appear repeatedly in sequence.

A number or several numbers in which the decimal part is repeated one after another is called the recurring section of this recurring decimal.

A decimal with infinite decimal places is called an infinite decimal. Repeating decimals are infinite decimals.

A decimal with a finite number of decimal places is called a finite decimal.

Please judge:

1.9.666 is a recurring decimal. ( )

2. Repeating decimals are infinite decimals. ( )

3.0.88...to three decimal places is 0.880 ( )

Find the approximate number of the following recurring decimal (retaining three decimal places).

1.29090……≈ 0.0183≈

0.4444… ≈ 7.275 ≈

Fill in the number as required.

5.2 3.815… 15.333 7.02626…

20.15179… 0.8383… 9.09 5.66…

Finite decimal: ( )

Infinite non-repeating decimals: ( )

Repeating decimal: ( )

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Update Time: 2024-11-23

This template belongs to Mathematics courseware Western Normal University Edition Fifth Grade Mathematics Volume 1 industry PPT template

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