# Class 5 Number system Worksheet 1

Q1. Write the number names of the following numbers:

(i) 15, 73, 490 _______________________________________________

(ii) 17, 39, 056 _______________________________________________

(iii) 08, 06, 907 _______________________________________________

(iv) 10, 79, 795 _______________________________________________

Q.2 Fill in the blanks

a) Successor of 8585879 is ____________.

b) Predecessor of 7900001 is _______________.

c) Smallest number of 7 digit is ___________.

d) Greatest number of 6 digit is ___________.

e) Write in figures – ninety lakh and twenty four _________.

f) Place value of 6 in 876396 is _____________.

g) Short form of 500000+7000+70 is _____________.

h) 1 Lakh=_________ hundreds.

i) The digit in ten lakh place in the number 8723576 is ____________.

j) These are __________numbers having 5 digit.

Q.3 Arrange in ascending order –

a) 2943526 , 2940506 , 2943506 , 2940566 , 2941566

__________ , ___________ , __________ , _________ , _________.

b) 259712 , 49972 , 499725 , 49072 , 40721

________ , _________ , _________ , ___________ , __________.

c) 1159999 , 1159901 , 1159009 , 1150999 , 11559009 ,

_________ , ____________ , _______ , ________ , ___________.

Q.4 Arrange in descending order –

a) 6602529 , 6602520 , 6622250 , 66225 , 602250 ,

__________ , ________ , __________ , ________ , ___________.

Q.5 Write the smallest and the greatest number of 6- digits using 0, 2,5,9,7.

Q.6 By using 0,4,9,3 only, write the smallest and the greatest number of 7 digits.

Q.7 Write the following in words using International system-

a) 203590159 b) 70169903 c) 45644003 d) 5445923

Q.8 Write the following in figures-

a) Three million two hundred thousand one hundred and six. ______________.

b) Five million eight hundred and ten.___________.

c) One million seven hundred and nineteen.____________.

d) Nineteen million four thousand.___________.

e) Four million fifty thousand three hundred and fifty six.____________.

10. Add 1 to greatest 7 digit number

a) 9999999                     b) 10000000
c) 10000001                   d) None of these

11. What is the smallest 9 digit number?

a) 100000001                b) 10000000
c) 100000000                d) None of these

12. Add 10 to smallest 8 digit number.

a) 10000010                     b) 10000001
c) 10000100                     d) None of these

13. What is the largest 9 digit number?

a) 99999999                      b) 9999999999
c) 999999999                    d) 100000000

14. Which number is 1000 less than 10000000?

a) 9999900                      b) 999900
c) 9999990                      d) 9999000

15. Six crore seven lakh fifty four thousand thirty two, which one is correct?

a) 607540032                 b) 60754032
c) 6754032                     d) None of these

16. 999999999, mark which one is correct.
a) Ninety nine crore ninety nine lakh nine thousand ninety nine
b) Ninety nine crore ninety nine lakh nine hundred ninety nine
c) Ninety nine crore ninety nine lakh ninety nine thousand nine hundred ninety nine
d) Ninety nine crore ninety nine lakh ninety nine thousand nine hundred nine

17. How many zeros are present in one crore?

a) 5 Zeros                     b) 6 Zeros
c) 7 Zeros                     d) 8 Zeros

18. How many zeros are present in smallest 9 digit number?

a) 9 Zeros                     b) 8 Zeros
c) 7 Zeros                     d) 6 Zeros