CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set B

Access the latest CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set B. We have provided free printable Class 6 Mathematics worksheets in PDF format, specifically designed for Chapter 1 Knowing Our Numbers. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

Chapter 1 Knowing Our Numbers Mathematics Practice Worksheet for Class 6

Students should use these Class 6 Mathematics chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Chapter 1 Knowing Our Numbers, to help you prepare for school tests and final examination. Regular practice of these Class 6 Mathematics questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 6 Mathematics Chapter 1 Knowing Our Numbers Worksheet PDF

 

CHAPTER 1
NOTES:
NUMBER SYSTEM
————————————————————
1. Natural Numbers - All the counting numbers are called Natural Numbers. The set of these numbers are represented by N. Thus, N = { 1,2,3,......} is the set of Natural Numbers.
 
2. Whole Numbers - All counting numbers together with 0 form the set of Whole Numbers. The set of these numbers is represented by W. Thus, W= {0,1,2,3,....} is the set of Whole Numbers.
 
3. Integers - All the natural numbers, 0 and the negatives of all counting numbers form the set of Integers. The set of these numbers are denoted by Z OR I. Thus, Z = { ......, -3 ,-2,-1 ,0 ,1, 2 ,3........} is the set of Integers.
 
4. Fraction - A number a / b, where a ,b are integers , b is not equal to 0 is called a fraction.
 
5. Rational Numbers - A number of the form p/ q where q is not equal to 0, and p and q are Integers is called a Rational Number. All Integers as well as fractions can be expressed in this form. So all Integers and Fractions are Rational Numbers. The set of rational numbers is denoted by Q. eg. 4/5 , -8/9 , 5 , -5 , 3.
 
6. Prime Number - A number that has only 2 factors : 1 and itself eg : 2 ,3 ,5 ,7 ,11 , 13 , 17 ,19 ,23 , 29 ,31 ,37 ,41 , 43 , 47 , 53 ,59 ,61 , 67 , 71 ,73 ,79 ,83 ,89 ,97.
 
7. Composite Number- A number that has more than two factors. Eg 4, 6 ,8 ,9 ,12 ,14 ,15 , 16 etc.

8. Twin Prime - Two prime numbers are Twin prime if there is only one composite number between them or if they differ by 2. Eg 3,5 ; 5,7 ; 11,13 ; 17,19; 29,31.

9. Prime Triplet - A set of consecutive three prime numbers that differ by 2. Eg 3 ,5 ,7.

 
10. Coprime Numbers - Two numbers are coprime if they do not have a common factor other than 1. Eg 2,3 ; 4,5 ; 28,31 ; 6,11.
 
11. Perfect Number - If the sum of the factors of a number is twice the number. Eg 6,28.
 
Factors of 6 are 1,2,3,6.
 
Sum of factors are 1 + 2 + 3 + 6 = 12.
 
12 is twice 6.
 
Factors of 28 are 1, 2, 4, 7, 14, 28.
 
sum of 1+2+4+7+14+28 = 56.
 
56 is twice 28.
 
12.INDIAN and INTERNATIONAL SYSTEM OF NUMERATION.
 
INDIAN ---Ten =10
   Hundred = 100
   Thousand = 1000
   Ten Thousand = 10,000
   Lakh = 1,00,000
   Ten Lakh = 10,00,000
   One Crore = 1,00,00,000
   Ten Crore = 10,00,00,000
   Hundred Crore = 100,00,00,000
   INTERNATIONAL---Ten =10
   Hundred =100
   Thousand = 1000
   Ten Thousand = 10,000
   Hundred Thousand = 100,000
   One Million = 1,000,000
   Ten Million = 10,000,000
   Hundred Million =100,000,000
   One Billion = 1,000,000,000
 
ASSIGNMENT 1
 
Q1. Write the following numbers in Indian System of Numeration.
 
i ) 42,007         ii ) 4,05,045      iii ) 35,42,012      iv ) 7,06,04,014
 
Q2. Rewrite each of the following numerals with proper commas in the international system.Also write the number name of each in the international system of numeration.
 
i ) 513625       ii ) 4035672         iii ) 65954923     iv ) 70902005
 
Q3. Write each of the following in expanded notation.
 
i ) 3057         ii ) 12345            iii ) 10205           iv ) 235060
 
Q4. Determine the product of the place values of two fives in 450758.

 

 

 

 

CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set B

~ Class 6 Mathematics (Old Chapters)
CBSE Class 6 Maths Common Factors and Common Multiples Worksheet Set B
CBSE Class 6 Mathematics Algebra Worksheet
CBSE Class 6 Mathematics Algebra Worksheet Set A
CBSE Class 6 Mathematics Basic Geometrical Worksheet
CBSE Class 6 Mathematics Basic Geometrical Worksheet Set A
CBSE Class 6 Mathematics Integers Worksheet Set A
CBSE Class 6 Mathematics Integers Worksheet Set A
CBSE Class 6 Mathematics Integers Worksheet Set B
CBSE Class 6 Mathematics Integers Worksheet Set C
CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set A
CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set A
CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set B
CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set B
CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set C
CBSE Class 6 Mathematics Mensuration And Practical Geometry Worksheet
CBSE Class 6 Mathematics Understanding Elementary Shapes Worksheet
CBSE Class 6 Mathematics Understanding Elementary Shapes Worksheet Set A
CBSE Class 6 Mathematics Whole Numbers Worksheet
CBSE Class 6 Maths Algebra Worksheet
CBSE Class 6 Maths Basic Geometrical Ideas Question Bank
CBSE Class 6 Maths Basic Geometrical Ideas Summary
CBSE Class 6 Maths Basic Geometrical Ideas Worksheet
CBSE Class 6 Maths Data Handling Question Bank
CBSE Class 6 Maths Data Handling Worksheet
CBSE Class 6 Maths Decimals Question Bank
CBSE Class 6 Maths Decimals Worksheet
CBSE Class 6 Maths Decimals Worksheet Set A
CBSE Class 6 Maths Factors and Multiples Worksheet Set A
CBSE Class 6 Maths Integers Question Bank
CBSE Class 6 Maths Integers Worksheet
CBSE Class 6 Maths Knowing Our Numbers Question Bank
CBSE Class 6 Maths Knowing Our Numbers Worksheet
CBSE Class 6 Maths Mensuration Question Bank
CBSE Class 6 Maths Mensuration Worksheet
CBSE Class 6 Maths Mensuration Worksheet Set A
CBSE Class 6 Maths Mensuration Worksheet Set B
CBSE Class 6 Maths Playing with Numbers Question Bank
CBSE Class 6 Maths Playing with Numbers Worksheet
CBSE Class 6 Maths Playing with Numbers Worksheet Set A
CBSE Class 6 Maths Practical Geometry Question Bank
CBSE Class 6 Maths Practical Geometry Worksheet
CBSE Class 6 Maths Practical Geometry Worksheet Set A
CBSE Class 6 Maths Prime and Composite Numbers Worksheet Set A
CBSE Class 6 Maths Prime and Composite Numbers Worksheet Set B
CBSE Class 6 Maths Ratio and Proportion Worksheet
CBSE Class 6 Maths Ratio and Proportion Worksheet Set A
CBSE Class 6 Maths Understanding Elementary Shapes Question Bank
CBSE Class 6 Maths Understanding Elementary Shapes Worksheet
CBSE Class 6 Maths Whole Numbers Question Bank
CBSE Class 6 Maths Whole Numbers Worksheet
CBSE Class 6 Maths Whole Numbers Worksheet Set A
CBSE Class 6 Maths Whole Numbers Worksheet Set B
CBSE Class 6 Maths Whole Numbers Worksheet Set C
CBSE Class 6 Maths Whole Numbers Worksheet Set D
CBSE Class 6 Maths Whole Numbers Worksheet Set E
CBSE Class 6 Maths Whole Numbers Worksheet Set F
CBSE Class 6 Maths Whole Numbers Worksheet Set G
CBSE Class 6 Maths Whole Numbers Worksheet Set H
CBSE Class 6 Maths Whole Numbers Worksheet Set I
CBSE Class 6 Maths Whole Numbers Worksheet Set J
CBSE Class 6 Maths Whole Numbers Worksheet Set K
CBSE Class 6 Mental Maths Algebra Worksheet
CBSE Class 6 Mental Maths Algebra Worksheet in Hindi
CBSE Class 6 Mental Maths Basic Geometrical Ideas Worksheet
CBSE Class 6 Mental Maths Basic Geometrical Ideas Worksheet in Hindi
CBSE Class 6 Mental Maths Data Handling Worksheet
CBSE Class 6 Mental Maths Data Handling Worksheet in Hindi
CBSE Class 6 Mental Maths Data Handling Worksheet Set A
CBSE Class 6 Mental Maths Decimals Worksheet
CBSE Class 6 Mental Maths Decimals Worksheet in Hindi
CBSE Class 6 Mental Maths Integers Worksheet
CBSE Class 6 Mental Maths Integers Worksheet in Hindi
CBSE Class 6 Mental Maths Knowing Our Numbers Worksheet
CBSE Class 6 Mental Maths Knowing Our Numbers Worksheet in Hindi
CBSE Class 6 Mental Maths Mensuration Worksheet
CBSE Class 6 Mental Maths Mensuration Worksheet in Hindi
CBSE Class 6 Mental Maths Playing With Numbers Worksheet
CBSE Class 6 Mental Maths Playing With Numbers Worksheet in Hindi
CBSE Class 6 Mental Maths Practical Geometry Worksheet
CBSE Class 6 Mental Maths Practical Geometry Worksheet in Hindi
CBSE Class 6 Mental Maths Ratio And Proportion Worksheet
CBSE Class 6 Mental Maths Ratio And Proportion Worksheet in Hindi
CBSE Class 6 Mental Maths Understanding Elementary Shapes Worksheet
CBSE Class 6 Mental Maths Understanding Elementary Shapes Worksheet in Hindi
CBSE Class 6 Mental Maths Whole Numbers Worksheet
CBSE Class 6 Mental Maths Whole Numbers Worksheet in Hindi
Class 6 Maths (Hindi) Anupat aur Samanupat Worksheet
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Class 6 Maths (Hindi) Dashamlav Worksheet
Class 6 Maths (Hindi) Khetrmiti Worksheet
Class 6 Maths (Hindi) Prarambhik Akaron ko Samajhna Worksheet
Class 6 Maths (Hindi) Prayogit Jyamiti Worksheet
Class 6 Maths (Hindi) Purn Sankhyan Worksheet
Class 6 Maths (Hindi) Purnank Worksheet
Class 6 Maths (Hindi) Sankhyaon se Khelna Worksheet
Class 6 Maths Algebra Worksheet
Class 6 Maths Basic Geometrical Ideas Worksheet
Class 6 Maths Data Handling Worksheet
Class 6 Maths Decimals Worksheet
Class 6 Maths Integers Worksheet
Class 6 Maths Knowing Our Numbers Worksheet
Class 6 Maths Mensuration Worksheet
Class 6 Maths Playing with Numbers Worksheet
Class 6 Maths Practical Geometry Worksheet
Class 6 Maths Ratio and Proportion Worksheet
Class 6 Maths Understanding Elementary Shapes Worksheet
Class 6 Maths Whole Numbers Worksheet

Chapter 1 Knowing Our Numbers CBSE Class 6 Mathematics Worksheet

Students can use the Chapter 1 Knowing Our Numbers practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 6 Mathematics. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for Chapter 1 Knowing Our Numbers

Our expert team has used the official NCERT book for Class 6 Mathematics to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Mathematics. You can get all this study material for free on studiestoday.com.

Extra Practice for Mathematics

To get the best results in Class 6, students should try the Mathematics MCQ Test for this chapter. We have also provided printable assignments for Class 6 Mathematics on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

Where can I download the latest PDF for CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set B?

You can download the teacher-verified PDF for CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set B from StudiesToday.com. These practice sheets for Class 6 Mathematics are designed as per the latest CBSE academic session.

Are these Mathematics Class 6 worksheets based on the 2026 competency-based pattern?

Yes, our CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set B includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 6.

Do you provide solved answers for CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set B?

Yes, we have provided detailed solutions for CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set B to help Class 6 and follow the official CBSE marking scheme.

How does solving CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set B help in exam preparation?

Daily practice with these Mathematics worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 6 students get more marks in CBSE exams.

Is there any charge for the Class 6 Mathematics practice test papers?

All our Class 6 Mathematics practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 6 Mathematics Knowing Our Numbers Worksheet Set B without any registration.