**Knowing
our Numbers Class 6 Worksheets**

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**Knowing our Numbers Class 6 Worksheet 1 with Answers**

**1.
**Rearrange the digits of the number 7350489 so as to form the
largest and smallest number.

**2.
**Write down all the whole numbers between 1000 and 2000 which
remain unchanged when the numbers are written in the reverse order.

**3. **Rita have a pack of 20 rupees currency notes
in a bundle of notes which starts with the number code 204 and ends with number
code 217. How much money does she have?

**4.
**Write down the greatest and smallest 5-digit number with no
repetition of digits such that

a.
Digit 9 is in the thousands place

b.
Digit 4 is in the ones place

c. Digit 3 is in
the hundreds place

**5.
**Fill in the blanks.

a.
The successor of the number 856999 is ___________.

b.
The predecessor of the number 15000 is ___________.

c.
The smallest 4-digit number using the digits 5, 3, 7, 4 is ___________.

d. The place value of 9 in 873941 is
___________.

**6.
**Form the least and the greatest 6-digit number using the digits 1,
0, 6, 8, 7, 5 in each of the following cases:

a.
without repetition

b.
with repetition

c.
divisible by 5

d.
divisible by 2

**7. **Insert commas and write 7243541697 in words using

a. the Indian system of numeration

b. the international system of numeration

**Knowing
our Numbers Class 6 Worksheet 2 **

**1. **Write the number corresponding to each of the following:

a. 2000000 + 800000 + 90000 + 4000 + 300
+ 50 + 1

b. 3000000 + 500000 + 10000 + 300 + 70
+ 2

**2.
**State true or false for each of the following:

a.
The difference between the largest 5-digit number and smallest 5-digit number
is 89999.

b.
The face value of 9 in the number 62791023 is 90000.

c.
1071 is divisible by 7.

d.
The predecessor of the number 50300 is 50299.

**3.
**Form the greatest and the smallest 5-digit number with 6 in the
tens place without repetition.

**4.
**Find the place value of 4 for each of the following:

a.
54782

b.
97643

c.
1402356

**5.
**Find the largest 6-digit number which is divisible by 5 without
repetition.

**6. **Write the smallest and greatest 7-digit number
with different digits. Find the difference between them.

**7.
**Form the greatest and smallest 3-digit number using any digits.
Find the sum and difference of these numbers.

**8.
**Fill in the blanks with the symbol ‘<’ or ‘>’ as
appropriate.

a.
985 ______ 895

b.
9000 ______ 10000

c.
553503 ______ 553053

d.
5050 ______ 50050

**9.
**How many whole numbers are there between 15 and 25?

**10.
**Choose the correct answer for each of the following:

a.
The first five natural numbers are

i. 1, 2, 3, 4, 5

ii. 0, 1, 2, 3, 4

iii. 2, 4, 6, 8, 10

iv. 0, 2, 4, 6, 8

b.
The place value of 6 in the number 46578 is

i. 6 ii. 600

iii. 6000 iv. 60000

c.
The face value of 5 in the number 65878 is

i. 5 ii. 50

iii. 500 iv. 5000

d.
The greatest number using the given digits 8, 7, 6, 5 without repetition is

i. 7865 ii. 6785

iii. 8765 iv. 5678

e.
The smallest 5-digit number using five different digits is

i. 10234 ii. 12340

iii. 21034 iv. 01234

**Knowing
our Numbers Class 6 Worksheet 3 **

**1. **Find the number of 3-digit odd numbers which
can be formed using the digits 3, 5 and 8 without repeating any digit in the
number.

**2. **State whether the following statements are true or false.

a. The successor of 3999 is 4000.

b. 1002456 is greater than 987695.

c. The greatest 5-digit number of
three different digits is 99978.

d. The smallest 8-digit number is
10000000.

**3. **Represent the following whole numbers on the number line 2, 0, 3,
10, 11, 9 and arrange them in ascending order.

**4. **Write the following numbers in figures:

a. Sixty-two lakh twenty-two thousand
one hundred eighty-five

b. Twenty-nine crore seven
lakh nine thousand four

**5. **Write the smallest and largest 5-digit number without repeating
any digit and having 3 in the tens place.

**6. **Insert commas at appropriate places in 187954 and write it in
words using the Indian System and the International System of Numeration.

**7. **Write five even consecutive numbers starting from 215.

**8. **How many whole numbers lies between 210 and 242?

**9. **Write the successor of the following numbers:

a. 327865

b. 2005892

c. 2599

**10. **Fill in the blanks for each of the following:

a. 7 × 1000 + 4 × 100 + 0 × 10 + 2 × 1
represents the number ___________.

b. The face value of a digit is the
___________.

c. A number which is 1 more than the
given number is called its ___________.

d. A number is divisible by 5 if its
ones digit is ___________.

**Knowing our Numbers Class 6 ****Worksheet 4 **

Given below are some numbers. Answer the following questions as per
given instructions.

**6 2 1 0 4
5 9 7 **

**1.** a. Form an odd number smaller than ninety million.

b. Insert
commas as per the international system of numeration for the number formed.

**2.** a. Form the smallest possible number using 6 of the
numbers without repeating the numbers.

b. Write the
expanded form of the number formed.

**3.** a. Form two 4-digit numbers and find the sum of these
two numbers.

b. Is the sum
greater than 18000?

**4.** a. Form an even number bigger than seven lakh twenty
thousand six hundred.

b. Insert
commas as per the Indian system of numeration for the number formed.

**5.** a. Form the biggest 7-digit even number that can be
formed using the numbers.

b. Round off
the number formed to the nearest 1000.

**6.** a. Find the biggest possible number using all the
cards.

b. Write the
number name of the biggest number in the Indian and International systems of
numeration.

**Knowing our Numbers Class 6 ****Worksheet 5**

**1.** Write 432581567 in words in the International and
Indian number system.

**2.** Write all three-digit numbers using the given digits
without repetition.

a. 0, 4, 5

b. 1, 6, 9

c. 4, 1, 0

**3.** Write the following in figures.

a. Ten billion twenty million thirty

b. Thirty million four thousand ten

c. Seventy-six thousand two hundred ten

**4.** Answer the following.

a. What is the sum of the predecessor of 1000 and
successor of 999?

b. What is twice the successor of 124 divided by 5?

c. If three times the predecessor of 10 is added to
four times the successor of 15, what is the result?

**5.** Write the smallest and the largest numbers using the
following digits.

a. 2, 0, 5, 7

b. 9, 4, 6, 1

c. 2, 8, 7, 9, 0

**6.** a. What is the difference between the successor of
978 and the predecessor of 789?

b. What are the whole numbers between 207 and 215?

**7.** By inserting commas in the appropriate places, write
the following numbers in the Indian as well as international system.

a. 275341

b. 3000678

c. 6210047

**8.** a. How many hundreds make a lakh?

b. How many tens make a thousand?

**9.** Find the sum of the first 20 odd natural numbers.

**10.** Answer the following with reasons.

a. Does every whole number have a predecessor?

b. Does every natural number have a successor?

**11.** a. What is the difference between the
place values of 7 in the number 757246895?

b. In the above number, find the difference between
the place values of 6.

**12.** a. Arrange the following numbers on the
number line and hence arrange them in descending order: 0, 4, 1, 10

b. Arrange the following numbers in ascending order:
405, 127, 502, 198

c. Write three consecutive whole numbers just
preceding 123.

**13.** Write 10020030400 in International Number
System.

**ANSWERS**

Worksheet 1

1. Smallest Number: 3045789,

Greatest Number: 9875430

2. 1001, 1111, 1221, 1331, 1441, 1551,
1661, 1771, 1881, 1991

3. ₹ 280

4. Greatest = 89765, 98764, 98376

Smallest = 19023, 10234, 10324

5. a. 857000

b. 14999

c. 3457

d. 900

6.
Least Greatest

a. 105678 876510

b. 111111
888888

c. 106785 876510

d. 105678 876510

7. Indian System – 7,24,35,41,697

Seven arab twenty-four crore thirty-five lakh forty-one thousand six hundred ninety-seven.

International System – 7,243,541,697

Seven billion two hundred forty-three million five hundred forty-one thousand six hundred ninety-seven.

Worksheet 2

1. a. 2894351

b. 3510372

2. a. True b. False

c. True d. True

3. greatest – 98765

smallest – 10263

4. a. 4000 b. 40

c. 400000

5. 987650

6. greatest – 9876543

smallest – 1023456

difference – 8853087

7. 999, 100

difference - 899

sum – 1099

8. a. 985 > 895

b. 9000 < 10000

c. 553503 > 553053

d. 5050 < 50050

9. 9

10. a. i b.
iii c. i

d. iii
e. i

Worksheet 3

1. Four: 385; 835; 583;
853

2. a. True b. True

c. False d. True

3. Ascending order: 0, 2,
3, 9, 10, 11

4. a. 62,22,185

b. 29,07,09,004

5. largest – 98736

smallest – 10234

6. Indian System: 1,87,954, one lakh eighty-seven thousand nine
hundred fifty-four.

International System: 187,954, one hundred
eighty-seven thousand nine hundred fifty-four.

7. 216, 218, 220, 222,
224

8. 31

9. a. 327866

b. 2005893

c. 2600

10. a. 7402

b. fixed value

c. successor

d. 0 or 5

Worksheet 4

1. a.
62104597

b.
62,104,597

2. a. 102456

b. 100000 + 2000 + 400 + 50 + 6

3. a. 1045,7954

b. no

4. a. 720604

b. 7,20,604

5. a. 9765421

b. 9765400

6. a. 97654210

b. Indian system = nine crore seventy-six lakh fifty-four thousand two
hundred ten; International system = ninety-seven million six hundred fifty-four
thousand two hundred ten

Worksheet 5

1. Indian system = forty-three crore
twenty-five lakh eighty-one thousand five hundred sixty-seven; International
system = four hundred thirty-two million five hundred eighty-one thousand five
hundred sixty-seven

2. a. 405, 450, 540, 504

b. 169, 196, 961, 916, 691, 619

c. 410, 401, 104, 140

3. a. 10,020,000,030

b. 30,004,010

c. 76,210

4. a. 1999

b. 50

c. 91

5. a. smallest = 2057,

greatest = 7520

b. smallest = 1469,

greatest = 9641

c. smallest = 20789,

greatest = 98720

6. a. 191

b. 208, 209, 210, 211, 212, 213, 214

7. a. Indian system = 2,75,341 = two
lakh seventy-five thousand three hundred forty-one; International system =
275,341 = two hundred seventy-five thousand three hundred forty-one

b. Indian system = 30,00,678 = thirty
lakh six hundred seventy-eight; International system = 3,000,678 = three
million six hundred seventy-eight

c. Indian system = 62,10,047 = sixty-two
lakh ten thousand forty-seven; International system = 6,210,047 = six million
two hundred ten thousand forty-seven

8. a. 1000

b. 100

9. 400

10.
a. no b. yes

11. a. 693000000

b. 5940

12. a. 10, 4, 1, 0

b. 127, 198, 405, 502

c. 120, 121, 122

13. 10,020,030,400 = ten billion twenty
million thirty thousand four hundred

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