ML Aggarwal Solutions for Class 6 Maths Chapter 1- Knowing Our Numbers
ML Aggarwal Solutions for Class 6 Maths Chapter 1- Knowing Our Numbers

Class 6: Maths Chapter 1 solutions. Complete Class 6 Maths Chapter 1 Notes.

ML Aggarwal Solutions for Class 6 Maths Chapter 1- Knowing Our Numbers

ML Aggarwal 6th Maths Chapter 1, Class 6 Maths Chapter 1 solutions

1. Write the smallest natural number. Can you write the largest natural number?

Solution:-

The smallest natural number is 1.

We cannot write the largest natural number because it is infinite.

2. Fill in the blanks:
(i) 1 lakh = … ten thousand
(ii) 1 million = … hundred thousand
(iii) 1 crore = … ten lakh
(iv) 1 billion =… hundred million

Solution:-

(i) 1 lakh = 10 ten thousand

(ii) 1 million = 10 hundred thousand

(iii) 1 crore = 10 ten lakh

(iv) 1 billion = 10 hundred million

3. Insert commas suitably and write each of the following numbers in words in the Indian system and the International system of numeration.
(i) 506723
(ii) 180018018
Solution:-
Indian system

(i) 506723 = 5,06,723

Five lakh six thousand seven hundred and twenty three.

(ii) 180018018 = 18,00,18,018

Eighteen crore eighteen thousand and eighteen.

International system

(i) 506723 = 506,723

Five hundred six thousand seven hundred and twenty three.

(ii) 180018018 = 180,018,018

One hundred eighty million eighteen thousand and eighteen.

4. Write the following numbers in expanded form:
(i) 750687
(ii) 5032109
Solution:-
Given numbers can be written in expanded form as,

(i) 750687=700000 + 50000 + 600 + 80 + 7

(ii) 5032109 = 5000000 + 30000 + 2000 + 100 + 9

5. Write the following number in figures:
(i) Seven lakh three thousand four hundred twenty.
(ii) Eighty crore twenty three thousand ninety three.
Also write the above numbers in the place value chart.
Solution:-

(i) 7,03,420

(ii) 80,00,23,093

By using place value chart,

Ten CroreCroreTen LakhLakhTen ThousandThousandHundredTensOnes
703420
800023093

6. Write each of the following numbers in numeral form and place commas correctly:
(i) Seventy three lakh seventy five thousand three hundred seven.
(ii) Nine crore five lakh forty one.
(iii) Fifty eight million four hundred twenty three thousand two hundred two.
Solution:-

(i) 73,75,307

(ii) 9,05,00,041

(iii) 58,423,202


7. Write the face value and place value of the digit 6 in the number 756032.
Solution:-

756032

Face value of 6 = 6

Place value = 6000

LakhTen ThousandThousandHundredTensOnes
756032

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ML Aggarwal Solutions for Class 6 Maths Chapter 1- Knowing Our Numbers

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About ML Aggarwal

M. L. Aggarwal, is an Indian mechanical engineer, educator. His achievements include research in solutions of industrial problems related to fatigue design. Recipient Best Paper award, Manipal Institute of Technology, 2004. Member of TSTE.