"The Meaning and Reading and Writing of Decimals" PPT courseware on the meaning and properties of decimals

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"The Meaning and Reading and Writing of Decimals" PPT courseware on the meaning and properties of decimals

Summary of this lesson

1. Knowledge goal: Through learning, everyone can understand decimals on the basis of fractions, know what decimals are, the meaning of decimals, and learn how to convert fractions and decimals into each other.

2. Ability goal: Cultivate students’ ability to understand and imagine space.

3. Emotional goal: train everyone’s thinking flexibility.

0.01 is read as: zero point zero one,

0.05 is read as: zero point zero five,

0.48 is pronounced as: zero point four eight.

Please read it, give a few more such examples, and talk to each other at the same table.

What can you find by comparing the fractions and decimals in each group above? Think about it, are there any decimals with more digits? Communicate in groups.

Fractions with a denominator of 10, 100, 1000... can be expressed as decimals.

One decimal place represents tenths, two decimal places represent hundredths, and three decimal places represent thousandths...

How many digits does the decimal part of a decimal contain? How many decimal places does this decimal have?

For example, 0.3 is one decimal place, 0.04 is two decimal places, and 0.007 is three decimal places.

Obviously, there are decimals with more decimal places.

Summary of this lesson

Understand decimals, know what decimals are and their meanings, and learn how to convert fractions and decimals into each other.

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

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Update Time: 2024-09-08

This template belongs to Mathematics courseware Jiangsu Education Edition Fifth Grade Mathematics Volume 1 industry PPT template

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