**Knowing our numbers solution Chapter 1 Class 6 Mathematics**

**अपनी संख्याओं की जानकारी उत्तर कक्षा 6 गणित **

Contents:

- Try this page 1
- Try this page 2
- Try this page 3
- Try this page 4
- Try this page 5
- Try this page 6
- Try this page 7
- Try this page 9
- Try this page 10
- Try this page 11
- Try this page 12

**Try this page 1**

#### Can you instantly find the greatest and the smallest numbers in each row?

1. 382, 4972, 18, 59785, 750.

Answer: Biggest: 59785; Smallest: 18

2. 1473, 89423, 100, 5000, 310.

Answer: Biggest: 89423, Smallest: 100

3. 1003. 1834, 75284, 111, 2333, 450.

Answer: Biggest: 89423, Smallest: 111

4. 2853, 7691, 9999, 12002, 124.

Answer: Biggest: 12002; Smallest:124

**Try this page 2**

#### Find the greatest and the smallest numbers.

(a) 4536, 4892, 4370, 4452. Answer: Greatest: 4892; Smallest:4370.

(b) 15623, 15073, 15189, 15800. Answer: Greatest:15800 ; Smallest:15073.

(c) 25286, 25245, 25270, 25210. Answer: Greatest:25286 ; Smallest:25210.

(d) 6895, 23787, 24569, 24659. Answer: Greatest:24659 ; Smallest:6895.

**Try this page 3**

#### 1. Use the given digits without repetition and make the greatest and smallest 4-digit numbers. (Hint: 0754 is a 3-digit number.)

(a) 2, 8, 7, 4. Answer: Greatest: 8742; Smallest:2478.

(b) 9, 7, 4, 1. Answer: Greatest: 9741; Smallest:1479.

(c) 4, 7, 5, 0. Answer: Greatest: 7540; Smallest:4057.

(d) 1, 7, 6, 2. Answer: Greatest: 7621; Smallest:1267.

(e) 5, 4, 0, 3. Answer: Greatest: 5430; Smallest:3045.

#### 2. Now make the greatest and the smallest 4-digit numbers by using any one digit twice. (Hint: Think in each case which digit will you use twice.)

(a) 3, 8, 7. Answer: Greatest: 8873; Smallest:3378.

(b) 9, 0, 5. Answer: Greatest: 9950; Smallest:5009.

(c) 0, 4, 9. Answer: Greatest: 9940; Smallest:4009.

(d) 8, 5, 1. Answer: Greatest: 8851; Smallest:1158.

#### 3. Make the greatest and the smallest 4-digit numbers using any four different digits with conditions as given.

9 8 6 7

1 0 2 7

(a) Digit 7 is always at Greatest one’s place

Smallest

(Note, the number cannot begin with the digit 0. Why?)

#### 4. Take two digits, say 2 and 3. Make 4-digit numbers using both the digits an equal number of times.

Which is the greatest number?

Which is the smallest number?

How many different numbers can you make in all?

Answer:

As per question four numbers are possible. They are 2233, 3322, 3232, 2323.

among them

The greatest number is: 3322

The smallest number is: 2233

**Try this page 4**

Answer:

a. Almira prices in increasing order (ascending)

1788<1897<2635<3975

b. Prices in decreasing order (descending)

3975>2635>1897>1788

**Try this page 5**

Answer:

1. a. 571 < 847 < 8320 < 9754

b. 9801 < 25751 < 36501 < 38802

2. a. 85400 > 7861 > 7500 > 5000

92547 > 88715 > 45321 > 1971

**Try this page 6/Introducing 10,000**

**89324: **

Number name: Eighty-nine thousand three hundred twenty-four

Expansion: 8 X 10000 + 9 X 1000 + 3 X 100 + 2 X 10 + 4 X 1

**50000**

Number name: Fifty thousand

Expansion: 5 X 10000

**41000**

Number name: Fourty one thousand

Expansion: 4 X 10000 + 1 X 1000

**47300 **

Number name: Fourty seven thousand three hundred

Expansion: 4 X 10000 + 7 X 1000 + 3 X 100

**57630 **

Number name: Fifty seven thousand six hundred thirty

Expansion: 5 X 10000 + 7 X 1000 + 6 X 100 + 3 X 10

**29485 **

Number name: Twenty nine thousand four hundred eighty five

Expansion: 2 X 10000 + 9 X 1000 + 4 X 100 + 8 X 10 + 5 X 1

**29085 **

Number name: Twenty nine thousand eighty five

Expansion: 2 X 10000 + 9 X 1000 + 8 X 10 + 5 X 1

**20085 **

Number name: Twenty thousand eighty five

Expansion: 2 X 10000 + 8 X 10 + 5 X 1

**20005**

Number name: Twenty thousand five

Expansion: 2 X 10000 + 5 X 1

**Try this page 7/Introducing 1,00,000**

**4,57,928 , 4,07,928, 4,00,829 , 4,00,029**

Answer:

4,57,928 , 4,07,928, 4,00,829 , 4,00,029

Number name: lakh thousand hundred

Expansion: X 100000 + X 10000 + X 1000 + X 100+ X 10 + X 1

4,07,928

Number name: Four lakh seven thousand nine hundred twenty eight

Expansion: 4 X 100000 + 7 X 1000 + 9 X 100+ 2 X 10 + 8 X 1

4,00,829

Number name: Four lakh eight hundred twenty nine

Expansion: 4 X 100000 + 8 X 100 + 20 X 10 + 9 X 1

4,00,029

Number name: Four lakh twenty nine

Expansion: 4 X 100000 + 20 X 10 + 9 X 1

*Answer:*

*9**99**9999**99,999**99,99,999*

**1. Give five examples where the number of things counted would be more than 6-digit number?**

Most of the things which we see are many in the numbers.

For example the number of **trees**, Number of **pens**, the number of **books;** number of **houses**, **windows**, **doors**, **schools**, number of **cars**, **bicycles**, **motorcycles**, **buses**. You can use any of these.

**Knowing our numbers solution Chapter 1 Class 6 Mathematics**

*Ref: Class 6 Mathematics chapter 1.*

you are not sending the mcq’s

Find the greatest and the smallest numbers.

(a) 4536, 4892, 4370, 4452. Answer: Greatest: 4892; Smallest:4370.

(b) 15623, 15073, 15189, 15800. Answer: Greatest:15800 ; Smallest:15073.

(c) 25286, 25245, 25270, 25210. Answer: Greatest:25286 ; Smallest:25210.

(d) 6895, 23787, 24569, 24659. Answer: Greatest:24659 ; Smallest:6895.

15073

Find the smallest number from the below given row.

1-15362,15073,15189,15800.