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

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

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

1. Understand the counting units and digits of decimals

(1) Recognize the digits of decimals - tenth place

Questions: 1. Find the fraction from this picture and rewrite it as a decimal.

2. If you start counting from 0.1, how many such decimals can you count?

3. What is the digit after the decimal point called?

Monitoring: tenth place, counting unit is 0.1.

(2) Understand the decimal places - percentile

Questions: 1. Find the fraction from this picture and rewrite it as a decimal.

2. What is the second digit after the decimal point called?

Monitoring: Percentile, the counting unit is 0.01.

2. In-depth understanding of numbers

(1) Situation in which sample questions are presented

(2) Study the significance of numbers

Questions: 1. Introduce the units digit and its counting unit, and talk about what it represents.

2. Can you tell me what the other digits represent like this?

3. Talk about what 12.378 is composed of.

3. Consolidate practice

1. Do it.

2.83 is composed of ( ) ones, ( ) tenths and ( ) one hundredths.

2. Write the meaning of “2” in each of the following numbers.

20.04( )5.42( )0.25( )0.672( )

4. Assign homework

Homework: Exercise 9 on page 37, questions 8 and 9.

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For more information about the PPT courseware "How to read and write decimals, the meaning and properties of decimals", please click the "How to read and write decimals ppt, the meaning and properties of decimals" ppt tag.

"Reading and Writing of Decimals" PPT:

"Reading and Writing of Decimals" PPT Part 1: Analysis of Examples Example 2. Divide a square into 10 and 100 parts. 1/10 can be written as 0.1 meters. 0.1 is read as: zero point one. 3/10 can be written as 0.3 meters. 0.3 is read as: zero point three. 1/100 can...

"Reading and Writing of Decimals" Decimal PPT Courseware 2:

"Reading and Writing of Decimals" Decimals PPT Courseware 2 Fill in the following. The counting unit of 4/10 is ( ), and it is written as a decimal ( ). The counting unit of 56/1000 is ( ), and it is written as a decimal ( ). There is ( ) in 0.9 There are ( ) 0.01 in 0.58. The 5-corner is (..

"Reading and Writing of Decimals" Decimal PPT Courseware:

"Reading and Writing of Decimals" Decimal PPT Courseware According to experimental research by domestic and foreign experts, it is predicted that by 2100, compared with 1900, the global temperature will rise by 1.4 to 5.8 degrees Celsius, and the average sea level will rise by 0.0 Nine to 0.88 meters. The integer part is rounded up..

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Update Time: 2024-11-13

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