This video tutorial on math eLearning covers the concept of place value in the Indian number system. It explains the place value chart for seven-digit and nine-digit numbers, demonstrating how to insert commas and write number names. The tutorial includes practice questions on inserting commas, writing number names, and understanding the place value of underlined digits. Additionally, it covers writing numbers in expanded form, providing examples and explanations throughout.

What is the main topic of the video?

• Multiplication and Division

• Place Value in the Indian Number System

• Addition and Subtraction

• Geometry Basics

How many periods are there in the Indian number system for seven-digit numbers?

• Five

• Two

• Three

• Four

Which of the following is the correct order of periods in the Indian number system?

• Ones, Thousands, Lakhs

• Lakhs, Crores, Thousands

• Thousands, Lakhs, Crores

• Ones, Hundreds, Thousands

How should commas be inserted in a seven-digit number?

• After every digit

• After every two digits

• No commas are needed

• After the first three digits, then every two digits

What is the first period in the Indian number system for nine-digit numbers?

• Ones

• Thousands

• Crores

• Lakhs

How many periods are there in the Indian number system for nine-digit numbers?

• Three

• Four

• Five

• Six

What is the correct way to read the number 23,12,45,356 in the Indian system?

• Twenty-three crore twelve lakh forty-five thousand three hundred fifty-six

• Two crore thirty-one lakh two thousand four hundred fifty-six

• Twenty-three lakh twelve thousand four hundred fifty-six

• Two hundred thirty-one lakh two thousand four hundred fifty-six

In the practice section, what is the first step in writing the number name?

• Count the digits

• Insert commas

• Write the number in words

• Add the digits

What is the place value of the digit 3 in the number 20,34,607?

• 3

• 30

• 300

• 30,000

How many zeros are added to the digit 7 to find its place value in the number 20,34,607?

• One

• Two

• Four

• Three