"Understanding Numbers Within Ten Thousands" Big Numbers in Life PPT Courseware

Description

"Understanding Numbers Within Ten Thousands" Big Numbers in Life PPT Courseware

teaching objectives

1. Combined with the price of the product, go through the process of understanding the number within ten thousand.

2. Able to recognize, read and write numbers within ten thousand, and know the composition of numbers within ten thousand; initially learn to use numbers within ten thousand to express things in life.

3. Understand that certain things can be described using numbers, and feel the close connection between mathematics and daily life.

2165: The thousands place is 2, read as two thousand; the hundreds place is 1, read as one hundred; the tens place is 6, read as sixty; the units place is 5, read as five.

2165 pronounced as: two thousand one hundred and sixty-five

4080: The thousands place is 4, read as four thousand; the hundreds place is 0, read as zero; the tens place is 8, read as eighty; the 0 in the units place is not read.

4080 pronounced as: four thousand and eighty

3200: The thousands place is 3, read as three thousand; the hundreds place is 2, read as two hundred; the tens and units places are not read as 0.

3200 pronounced as: three thousand two hundred

8008: The thousands digit is 8, which is read as eight thousand; the hundreds and tens digits are both 0, and only one zero is read; the ones digit is 8, which is read as eight.

8008 pronounced as: eight thousand and eight

Talk about it

How many thousand dollars, how many hundred dollars, how many ten dollars and how many one dollars are there in the price of each electrical appliance?

4080 is composed of 4 thousand and 8 tens.

3200 is composed of 3 thousand and 2 hundreds.

8008 is composed of 8 thousand and 8 ones.

2165 is composed of 2 thousand, 1 hundred, 6 tens and 5 ones.

In conclusion

1. How to read numbers within 10,000: When reading, start from the high order and read in numerical order. The thousands place is read as thousands, the hundreds place is read as hundreds, the tens place is read as tens, the units place is read as several; if there is a 0 or two 0s in the middle, only a "zero" is read. ", no matter how many zeros there are at the end, it will not be read.

2. The composition of numbers within ten thousand: the number in the thousands place represents several thousands, the number in the hundreds place represents several hundreds, the number in the tens place represents several tens, and the number in the ones place represents several one.

Write the following numbers.

The order of writing numbers and reading numbers is the same, starting from the high position.

2008 Written: 2008

Eight Thousand Eight Hundred and Forty Four Writing: 8844

Seven Thousand Nine Hundred Writing: 7900

In conclusion

How to write numbers within 10,000: When writing numbers, start from the highest order and read in numerical order. If there are thousands, write the number in the thousands place, if there are hundreds, write the number in the hundreds place, if tens, write the number in the tens place, and if there are several, write the number in the ones place; which digit in the middle or at the end is the counting unit? No, just write 0 in that bit.

practice

1. Read it.

2. Write the number on the horizontal line.

3. Look at the pictures and write the numbers.

Extracurricular investigation:

Research the brands and prices of large appliances in your home. And make it into the form below.

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For more information about the PPT courseware "Big Numbers in Life: Understanding Numbers Within Ten Thousands", please click on the "Big Numbers in Life ppt: Understanding Numbers Within Tens of Tens" ppt tag.

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Update Time: 2024-11-22

This template belongs to Mathematics courseware Hebei Education Edition Third Grade Mathematics Volume 1 industry PPT template

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