Understanding Place Value and Notation

The video tutorial introduces the concept of expanded notation, explaining how to express a number as the sum of the place value of each digit. It provides a detailed example using the number 6 CR 42 Lakh 1,897, breaking it down into steps to find the place value of each digit and write the expanded notation. Additional examples are provided to reinforce the concept, including numbers with zeros in certain place values, which are excluded from the expanded notation.

What is the main purpose of using expanded notation?

• To multiply numbers by ten

• To simplify numbers

• To express numbers as the sum of their place values

• To convert numbers into fractions

In the number 6,42,01,897, what is the place value of the digit '4'?

• 400 lakh

• 4 lakh

• 40 lakh

• 4 crore

Which digit in the number 6,42,01,897 has a place value of 1,000?

• 6

• 8

• 4

• 1

What is the place value of the digit '9' in the number 6,42,01,897?

• 9

• 90

• 900

• 9,000

Which digit in the number 6,42,01,897 has a place value of 800?

• 6

• 4

• 8

• 9

In the number 6,42,01,897, which digit has a place value of 2 lakh?

• 1

• 2

• 4

• 6

How is the number 6,42,01,897 written in expanded notation?

• 6 crore + 42 lakh + 1,000 + 800 + 90 + 7

• 6 crore + 40 lakh + 2 lakh + 1,000 + 800 + 90 + 7

• 6 crore + 42 lakh + 1,897

• 6 crore + 42 lakh + 1,000 + 897

What is the expanded notation of 321,64,9189?

• 321 million + 64,9189

• 300 million + 21 million + 64,9189

• 300 million + 20 million + 1 million + 64,9189

• 300 million + 20 million + 1 million + 600,000 + 50,000 + 4,000 + 900 + 80 + 9

In the number 321,64,9189, what is the place value of the digit '6'?

• 6,000

• 600,000

• 60 million

• 6 million

In the number 321,64,9189, which digit has a place value of 900?

• 4

• 9

• 8

• 1