CBSE Class 6 Maths Worksheet Knowing Our Numbers

CBSE Class 6 Maths Worksheet Knowing Our Numbers: Knowing Our Numbers is one of the most basic and also very important chapters in Class 6 Maths. This topic helps students to understand how numbers are formed, read and written in both Indian and International number system. The Knowing Our Numbers Worksheet Class 6 PDF helps students practice all the key concepts in a fun and easy way. CBSE Class 6 students can easily learn how to compare numbers, form greatest and smallest numbers, and expand large numbers using these worksheets.

The Knowing Our Numbers Class 6 Worksheet Extra Questions gives more practise to improve understanding and problem solving skills. It is very useful for exam preparation because it include Knowing Our Numbers Class 6 Questions and Answers so students can check their solution and learn step by step. Teachers and parents can also use the Knowing Our Numbers Class 6 Worksheet with Answers to help students revise the complete chapter in less time.

Knowing Our Numbers Worksheet Class 6 PDFs

Knowing Our Numbers Worksheet Class 6 PDF aligns with NCERT Solutions for Class 6 Maths and the latest CBSE syllabus, helping Class 6 board learners practice large numbers, Indian and International numeration, place value, comparing, ascending/descending order, estimation, and Roman numerals in a simple, step‑by‑step way. It supports revision with printable practice and answer keys, making core number concepts easy to understand and score better in exams.

Knowing Our Numbers Class 6 Worksheet Problems with Solutions

This worksheet covers all major topics from CBSE Class 6 maths Syllabus and  NCERT Class 6 Maths Chapter 1: Comparing Numbers, Place Value, Forming Numbers, Indian vs International Number System, Estimation, Roman Numerals, and Word Problems.

Section A: Multiple Choice Questions (MCQs)

Ques: What is the value of the digit 8 in the number 56, 834?

A) 8 × 10 000

B) 8 × 100

C) 8 × 1

D) 8 × 1 000

Ans: B) 8 × 100

Ques: The successor of 9,99,999 is:

A) 9,99,998

B) 10,00,000

C) 9,99,990

D) 1,00,00,000

Ans: B) 10,00,000

Ques: In the Indian system of numeration, commas are placed:

A) after every three digits from right

B) after the first three digits then every two digits

C) only after three digits once

D) randomly

Ans: B) after the first three digits then every two digits

Ques: Which of the following Roman numerals is correct for 74?

A) LXXIV

B) LXIV

C) XLVII

D) LIVX

Ans: A) LXXIV

Ques: Which number is greater: 2 million or 20 lakh?

A) 2 million

B) 20 lakh

C) both equal

D) cannot compare

Ans: C) both equal

Ques: The smallest 5-digit number is:

A) 9999

B) 10000

C) 10001

D) 90000

Ans: B) 10000

Ques: Which number has the digit “5” in the ten-thousands place?

A) 45,678

B) 5,67,890

C) 56,789

D) 4,56,789

Ans: A) 45,678

Ques: In the international system, the number 12,34,567 is written as:

A) 12,34,567

B) 1,234,567

C) 12.34567 million

D) 123,4567

Ans: B) 1,234,567

Ques: The place value of 7 in 3,47,891 is:

A) 70,000

B) 700

C) 7,000

D) 700,000

Ans: C) 7,000

Ques: Which of the following shows correct rounding of 47,488 to the nearest thousand?

A) 47,000

B) 48,000

C) 47,500

D) 50,000

Ans: B) 48,000

Ques: Using digits 0, 1, 2, 3 without repetition, the smallest 4-digit number is:

A) 1023

B) 1203

C) 1032

D) 1230

Ans: A) 1023

Ques: Using digits 4, 5, 6, 0 without repetition, the greatest 4-digit number is:

A) 6540

B) 5640

C) 6504

D) 4560

Ans: A) 6540

Ques: The successor of 99,999 is:

A) 100,000

B) 1,00,000

C) 1,000,00

D) 99,998

Ans: B) 1,00,000 (Indian system)

Ques: 1 lakh equals how many ten-thousands?

A) 10

B) 100

C) 5

D) 50

Ans: A) 10

Ques: 1 crore equals how many lakhs?

A) 1

B) 10

C) 100

D) 1000

Ans: C) 100

Ques: 1 million equals how many lakhs?

A) 100

B) 10

C) 1

D) 0.1

Ans: B) 10

Ques: The Roman numeral M stands for:

A) 100

B) 500

C) 1000

D) 50

Ans: C) 1000

Ques: Which has the same hundreds digit?

A) 2334, 2340

B) 4232, 4331

C) 5432, 6922

D) 6524, 7823

Ans: A) 2334, 2340

Ques: Greatest among 28,53; 7691; 9999; 12002; 124 is:

A) 7691

B) 9999

C) 12002

D) 2853

Ans: C) 12002

Ques: Smallest among 28,53; 7691; 9999; 12002; 124 is:

A) 124

B) 2853

C) 7691

D) 9999

Ans: A) 124

Ques: Place value of 7 in 4,73,219 (Indian system) is:

A) 7

B) 70

C) 700

D) 70,000

Ans: D) 70,000

Ques: The predecessor of 10,000 is:

A) 999

B) 9,999

C) 10,001

D) 1,00,000

Ans: B) 9,999

Ques: The value of (3 + 4 + 8 − 1 + 4 − 6) is:

A) 11

B) 12

C) 13

D) 14

Ans: B) 12

Ques: In the Indian system, commas in 7520134 are placed as:

A) 7,520,134

B) 75,20,134

C) 7,520,13,4

D) 7,52,0134

Ans: B) 75,20,134

Ques: In the International system, 75,20,134 is written as:

A) 7,520,134

B) 75,201,34

C) 752,013,4

D) 7,52,0134

Ans: A) 7,520,134

Section B: Fill in the Blanks

Ques: 1 million = _____ hundred thousand.

Ans: ten

17) 1 crore = _____ million.

Ans: ten

Ques: The greatest 5-digit number is _____ and its successor is _____.

Ans: 99,999; 1,00,000

19) In Roman numerals, 5 is _____ and 10 is _____.

Ans: V; X

Ques: In 5,23,408, the digit at the ten-thousands place is _____.

Ans: 2

Ques: The expanded form of 7,04,205 (Indian system) is _____ + _____ + _____ + _____.

Ans: 7,00,000 + 0 + 4,000 + 205

Ques: The place value of 4 in 2,41,693 is _____.

Ans: 40,000

Ques: The smallest 6-digit number is _____ and the largest 6-digit number is _____.

Ans: 1,00,000; 9,99,999

Ques: Writing 58,423,202 in Indian system gives _____.

Ans: 5,84,23,202

Ques: The predecessor of 2,00,000 is _____.

Ans: 1,99,999

Ques: 1 lakh = ______ ten-thousands.

Ans: 10

Ques: In the number 8,35,09,217 the correct comma placement (Indian system) is ______.

Ans: 8,35,09,217

Ques: The smallest 6-digit number with all different digits is ______.

Ans: 100,234

Ques: 1 million = ______ lakh.

Ans: 10 lakh

Ques: In the international system, the number 65,80,432 is written as ______.

Ans: 6,580,432

Ques: The predecessor of 10,00,000 is ______.

Ans: 9,99,999

Ques: Place the comma: Forty-five million, six hundred thousand, three hundred and eight = ______.

Ans: 45,600,308

Ques: The digit 4 in 4,23,456 has place-value ______.

Ans: 400,000

Ques: The successor of 4,999 is ______.

Ans: 5,000

Ques: In Roman numerals the symbol for 500 is ______.

Ans: D

Ques: In the Indian system, the comma after thousands comes after 3 digits from right.

Ans: True

Ques: 9 million equals 90 lakh.

Ans: False (9 million = 90 lakh = correct–so statement “equals” is actually True) → Actually: True.

Ques: The number 12,345 rounded to nearest hundred is 12,300.

Ans: True

Ques: The number 2,50,000 written in international system is 2,50,000.

Ans: False (should be 250,000)

Ques: Roman numeral “LC” is valid.

Ans: False

Ques: Match the number with its correct comma placement (Indian system)

Answers: i → a, ii → b, iii → c

Ques: Match the following numbers in Indian and International systems:

Answers: i → a, ii → b, iii → c

Section C: Short Answer Questions

Ques: Write the number which is 7 digits, has “9” in the ten-thousands place, “3” in the hundreds place, and all other digits zero.

Ans: 90,903,000

Ques: Write the name of the number 4,56,78,901 in the Indian system.

Ans: Four crore fifty-six lakh seventy-eight thousand nine hundred and one

Ques: Write the number 2,340,567 in the international system with commas.

Ans: 2,340,567

Ques: What is the place-value of the digit 5 in the number 6,52,049?

Ans: 50,000

Ques: Round off the number 76,489 to the nearest thousand.

Ans: 76,000

Ques: Insert commas suitably and write the numeral for “Eighty-two million, three hundred forty-five thousand, six hundred and twelve.”

Ans: 82,345,612

Ques: If you write all the digits from {2, 5, 8, 0} without repetition to make a 4-digit number, what is the greatest number you can make?

Ans: 8,520

Ques: Write the Roman numeral for 49.

Ans: XLIX

Ques: What is the smallest 7-digit number?

Ans: 1,000,000

Ques: Compare: 5,43,210 and 5,32,410. Which is larger?

Ans: 5,43,210

Ques: Form the greatest and smallest 4-digit numbers using 9, 7, 4, 1 (no repetition).

Ans: Greatest = 9,741; Smallest = 1,479

Ques: Arrange in ascending order: 4,52,019; 4,25,901; 4,50,291.

Ans: 4,25,901 < 4,50,291 < 4,52,019

Ques: Which is larger: 8,40,500 or 8,04,500?

Ans: 8,40,500

Ques: Write all 2-digit numbers using digits 2 and 3 only once.

Ans: 23, 32

Ques: Write the difference of ages 15 years and 10 years in Roman numerals.

Ans: V (15 - 10 = 5 = V)

Ques: A bookstore sold 1,25,678 books in the first half-year and 1,47,325 books in the next half. How many books sold in the whole year?

Ans: 1,25,678 + 1,47,325 = 2,73,003

Ques: The population of a town in 2010 was 3,45,762. It increased by 12,548 next year. What was the population in 2011?

Ans: 3,45,762 + 12,548 = 3,58,310

Ques: A cloth merchant had ₹ 4,75,000 worth of cloth. He sold ₹ 2,18,345 worth. How much remained?

Ans: 4,75,000 − 2,18,345 = ₹ 2,56,655

Section D: Word Problems

Ques: A bookstore sold Rs 2,85,891 in week 1 and Rs 4,00,768 in week 2. Find total sales and which week was higher with difference.

Ans: Total Rs 6,86,659; Week 2 higher by Rs 1,14,877

Ques: A cricketer scored 6,980 runs; target 10,000. How many more runs needed?

Ans: 3,020 runs

Ques: An exhibition sold tickets: 1,094; 1,812; 2,050; 2,751 over four days. Find total.

Ans: 7,707 tickets

34) Find the difference between the greatest and least numbers formed by digits 6, 2, 7, 4, 3 (each once).

Ans: Greatest = 76,432; Least = 23,467; Difference = 52,965

Ques: In a fruit shop there are 2000 kg apples, 340 kg oranges, 20 kg grapes. Find total weight.

Ans: 2,360 kg

Section E: Estimation and Rounding

Ques: Round 48,263 to the nearest thousand and to the nearest ten-thousand.

Ans: Nearest thousand = 48,000; Nearest ten-thousand = 50,000

Ques: Estimate 4,989 + 2,012 to the nearest hundred.

Ans: 5,000 + 2,000 = 7,000

Ques: Estimate 3,492 × 19 by rounding to tens.

Ans: 3,490 × 20 ≈ 69,800

Section F: Operations with Brackets

Ques: Evaluate 125 × (20 + 8) using distributive property.

Ans: 125 × 20 + 125 × 8 = 2,500 + 1,000 = 3,500

Ques: Insert commas in Indian and International systems for 7520134, and name the periods.

Ans: Indian: 75,20,134 (lakh-period: 75; thousand-period: 20; ones-period: 134). International: 7,520,134 (millions: 7; thousands: 520; ones: 134)