Fill in the blank: The largest 9-digit number is ______.

99,99,99,999 (ninety-nine crore ninety-nine lakh ninety-nine thousand nine hundred ninety-nine)

True or False: The Indian number system uses commas after every 3 digits from the right.

False. In the Indian number system, commas are placed after the first 3 digits and then after every 2 digits.

What is the face value of the digit 4 in the number 54,32,10,987?

4

Riddle: I can be a number larger than you can count, I tell you how many stars are in the sky. What am I?

A large number

Which of the following is the largest number? A) 8,06,13,408 B) 7,89,21,036 C) 13,00,55,444 D) 83,43,999

C) 13,00,55,444

Fill in the blank: The predecessor of 5,00,00,000 is ______.

4,99,99,999

True or False: The place value of a digit is always the same regardless of its position in the number.

False. The place value depends on the digit's position in the number.

What is the standard form of the number written in expanded form as 20,00,00,000 + 3,00,00,000 + 40,00,000 + 20,000 + 8,000 + 700 + 60 + 2?

23,40,28,762

Riddle: I can tell you the amount of apples in a basket, when I’m written down, I have no letters, just digits. What am I?

A number

Which system groups digits into periods of ones, thousands, lakhs, and crores?

Indian number system

Fill in the blank: In the comparison of numbers, if two numbers have the same number of digits, you should compare them from ______.

Left to right (highest place value to lowest)

True or False: Rounding off a number to the nearest 100 involves looking at the tens place digit.

True.

What is the smallest 8-digit number?

1,00,00,000 (one crore)

Riddle: I am a number that when rounded off to the nearest thousand gives you 10,000 but is actually 9,500. What am I?

9,500

Which of the following is the correct expanded form of 12,34,567?

10,00,000 + 2,00,000 + 30,000 + 4,000 + 500 + 60 + 7

Fill in the blank: The number 1,85,63,901 rounded to the nearest 1,000 is ______.

1,85,64,000

True or False: The largest 6-digit number is 99,999.

False. The largest 6-digit number is 9,99,999.

What is the largest 7-digit number?

99,99,999 (ninety-nine lakh ninety-nine thousand nine hundred ninety-nine)

What is the smallest 7-digit number?

10,00,000 (ten lakhs)