Which number system groups numbers into ones, thousands, and lakhs?

Indian number system

Fill in the blank: The first group of the International number system consists of ______.

Ones

True or False: In the Indian number system, commas are placed after every three digits from the right.

False. Commas are placed after three digits for the ones period, and then every two digits for lakhs and crores.

Riddle: I am a number that you can reach by adding one to 2,45,304. What number am I?

2,45,305

What is the place value of 3 in the number 5,43,296?

3,000

Which of the following is a period used in the International number system? A) Lakhs B) Millions C) Crores D) Ten lakhs

B) Millions

Fill in the blank: The expanded form of a number shows it as the sum of ______ of its digits.

Place values

True or False: The face value of a digit is its value based on its position in a number.

False. The face value is the digit itself, regardless of its position.

Riddle: I can help you visualize the value of digits, represented by beads on rods. What am I?

Abacus

What is the smallest number that can be formed using the digits 3, 4, 5, and 7?

3,457

Which digit determines if a number is even or odd?

The ones place digit

Fill in the blank: The predecessor of 1,00,000 is ______.

99,999

True or False: When comparing two numbers with the same number of digits, the leftmost digit is the most significant.

True

Riddle: I am a number that ensures you round to the nearest hundred. Look at my neighbor, the tens place. What number am I?

Tens place digit

In the Indian number system, how many beads represent the digit in the ten thousands place for the number 2,19,463?

1

What is the method called that helps determine which number is larger or smaller?

Comparison of numbers

Fill in the blank: Rounding off gives an ______ value of a number.

Approximate

Which of the following numbers is an odd number? A) 24,578 B) 3,456 C) 7,981 D) 12,000

C) 7,981

What is the largest number you can form with the digits 9, 3, 4, and 7?

9,743

True or False: A number with more digits is always smaller than a number with fewer digits.

False. A number with more digits is always larger.