# Class 5 Number System Worksheet

## Chapter 1 Number System and Computation Operations

Class 5 Number System Worksheet – In this Chapter ,we will read about Number system in Maths , what is number system and what are its types there are two number systems available in Maths , Indian and international.

### What is a number system?

There are 2 types of number systems in our mathematics.

### International Place Value System

Ascending and Descending

In ascending order numbers can be arranged from smallest to largest while in descending order numbers can be arranged from largest to smallest.

#### What is place value and face value?

The value of a digit on its place like where it is at ones, tens, or hundreds it is called place value , While in face value the value of a digit is digit itself

For example

In 1234 the place value of 1 is 1000 and face value is 1

Solve the following:-

1. The face value 5 in 4657023 is ………..  And its place value is……………
2. The smallest 7 digit number in Indian number is………………….
3. The largest 7 digit Indian number system is…………………….
4. Write in figures:-
5. Four lakh five thousand eight hundred eighty seven ………………….
6. Four lakh sixty five thousand seven hundred eighty…………..

1. 5  and 50,000
2. 10,00,000
3. 99,99,999
4. 4,05,887
5. 4,65,780

#### Addition and subtraction of big numbers

Example :-

46,35,347 + 86,53,279 = 13,288,626

33,69,287 – 22,34,192 = 11,35,095

### Multiplication of  numbers

Solve the following:-

1. The answer of the multiplication is called ……………..
2. If the order of numbers changed in multiplication then the answer will be ………….
3. The product of 1 and any number is the ……………………
4. The product of zero and any number is always …………….

1. Product
2. Same
3. Number itself
4. Zero

### Multiply the following

1. 793574 x  4 = ……………………
2. 6945 x 13 = ……………………..
3. 35352 x 42 = ……………………

1. 3,174,296
2. 90,285
3. 1,484,784

### Division sums

1. 82528 / 4 = ………….
2. 78625 / 5 = …………
3. 84249 / 3 = …………