# Assignments for Class 6 Maths Chapter Knowing our Numbers

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## Write the correct answer from the given four options:

Question 1. Insert comas in appropriate place and write following numbers according to Indian and international system.
(a)  1900218
(b)  50500401
(c)  206008010
Question 2. Make the greatest and the smallest 4-digit numbers using any four different digits, with conditions as given. (Note: - the digits should not repeat.)
(a) Digit 5 is always at one’s place
(b) Digit 1 is always at tens place
Question 3. Fill in the blanks:
(a) 1 crore = _______ millions
(b) 10 lakh = _______ten thousands
(c) ten million = _______lakh
(d) one hundred thousand = ______ lakh
Question 4. Write the numbers for the following number names and insert comas at proper places.
(a) Five lakh one hundred twenty-one
(b) Eighty crore six thousand fifty-three
(c) Ninety-three lakh eight thousand seven
(d) forty-eight million five thousand two hundred five
(e) Eight million seven thousand five

Question 5. Which of these is the greatest number?
(a) 38926 ones
(b) 4905 tens
(c) 3450 hundreds
(d) 210 thousands
Question 6. Answer the following questions
(a) What comes just after 2779999?
(b) What comes just before 1110000?
(c) What comes just before 10011000?
Question 7. The estimated difference of 43,209 and 3,479 by rounding off to the nearest hundred is ____________________
Question 8. Arrange the following numbers in descending order:
(a) 12098, 12980, 12890, 12089
(b) 2008909, 299088, 2000899, 298099
Question 9. Write the numeral and expanded form for the following number name:
(a) Five million two hundred thousand and fifty
(b) Two crore two lakh two thousand two hundred and two
(c) Ten crore twenty thousand eight
(d) Eighty-five lakh six hundred twelve
(e) Thirty-Eight million one hundred thousand and Eight
Question 10. Interchange the digits in hundreds and tens place in the number 54,150. Can you tell if the value of new number will increase or decrease and by how much?