"Approximate Numbers" PPT courseware for understanding numbers within ten thousand

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"Approximate Numbers" PPT courseware for understanding numbers within ten thousand

There are about 200 students in the second grade of our school, and the total number of students in the school is about 900!

Think about it:

Based on the information given in the question, can you give an accurate number of students?

1. Which of the two tables has more accurate data?

2. How can we tell that the numbers in the second table are not accurate?

3. Which table has the correct data?

Class exercises

Can you fill in the approximate number?

1. Xiao Ming’s home is 598 meters away from the school, and Xiao Ming’s home is about ( ) meters away from the school.

2. Aunt Wang’s monthly salary is 2004 yuan. Aunt Wang’s monthly salary is approximately ( ) yuan.

3. There are 3996 residents in a certain community. There are about ( ) residents in a certain community.

4. Xiaohong wrote a diary with 302 words. Xiaohong’s diary has about ( ) words.

5. There are a total of 195 parking spaces in the parking lot, and there are approximately ( ) parking spaces in the parking lot.

Characteristics of approximate numbers:

1. The approximate number is not very precise and can only describe what the number is approximately.

2. The approximate numbers are very close to the exact numbers.

3. Approximate numbers are easier to remember than exact numbers, usually numbers in the hundreds or thousands.

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For more information about the PPT courseware "Approximate Numbers to Recognize Numbers Within Ten Thousands", please click the Approximate Numbers ppt to Recognize Numbers Within Tens of Thousands ppt tag.

"Approximate Numbers" PPT courseware 3:

"Approximate Numbers" PPT Courseware 3 August 1, 2006, 3 days, about 4.3 million yuan Do you think there is any difference between these numbers that appear in life? In life, we need not only accurate numbers but also approximate numbers! What methods have we learned to obtain approximate numbers? rounding..

"Approximate Numbers" PPT Courseware 2:

"Approximate Numbers" PPT Courseware 2 Among the numbers in the following practical problems, which are approximate numbers and which are precise numbers? Approximate number: A number that is very close to the actual number. Exact number: A number that exactly matches reality. 1. There are 55 students in the first grade of junior high school (1) 2. The radius of the earth is about 6370..

"Approximate Numbers" PPT courseware:

"Approximate Numbers" PPT courseware Learning objectives: Understand the concept of approximate numbers. Able to obtain approximate numbers as required and indicate the precise digits of the approximate numbers. Understand the application of approximate numbers in real life. Let students feel that mathematics comes from life and serves life. How do these numbers...

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Update Time: 2024-10-17

This template belongs to Mathematics courseware Jiangsu Education Edition Second Grade Mathematics Volume 2 industry PPT template

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