## ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 1 Knowing Our Numbers Ex 1.1

Question 1.

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

Solution:

Question 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:

Question 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:

Question 4.

Write the following numbers in expanded form:

(i) 750687

(ii) 5032109

Solution:

Question 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:

Question 6.

Write each of the following numbers in numeral form and place commas correctly:

(i) Seventy three lakh seventy thousand four hundred seven.

(ii) Nine crore five lakh forty one.

(iii) Fifty eight million four hundred twenty three thousand two hundred two.

Solution:

Question 7.

Write the face value and place value of the digit 6 in the number 756032.

Solution:

Question 8.

Find the difference between the place value and the face value of the digit 9 in the number 229301.

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Question 9.

Determine the difference of the place value of two 7’s in 37014472 and write it in words in International system.

Solution:

Question 10.

Determine the product of place value and the face value of the digit 4 in the number 5437.

Solution:

Question 11.

Find the difference between the number 895 and that obtained on reversing its digits.

Solution: