NCERT Solutions For Class 6 Maths chapter 1

Knowing your Number

NCERT Solutions For Class 6 Maths chapter 1 exercise 1.1

class 6 ex 1.1 Question 1:

Fill in the blanks:
   (a) 1 lakh = ………….. ten thousand.
   (b) 1 million = ………… hundred thousand.
   (c) 1 crore = ………… ten lakh.
   (d) 1 crore = ………… million.
   (e) 1 million = ………… lakh.

Answer 1:

   (a) 10
   (b) 10
   (c) 10
   (d) 10
   (e) 10

Question 2:

Place commas correctly and write the numerals:
   (a) Seventy-three lakh seventy-five thousand three hundred seven.
   (b) Nine crore five lakh forty-one.
    (c) Seven crore fifty-two lakh twenty-one thousand three hundred two.
    (d) Fifty-eight million four hundred twenty- three thousand two hundred two.
    (e) Twenty-three lakh thirty thousand ten.

Answer 2:

   (a) 73,75,307
   (b) 9,05,00,041
   (c) 7,52,21,302
   (d) 5,84,23,202
   (e) 23,30,010

Ex 1.1 class 6 Question 3:

Insert commas suitably and write the names according to Indian System of Numeration:
   (a) 87595762
   (b) 8546283
   (c) 99900046
   (d) 98432701

Answer 3:

   (a) 8,75,95,762
   Eight crore seventy-five lakh ninety-five thousand seven hundred sixty- two
    (b) 85,46,283
   Eighty-five lakh forty-six thousand two hundred eighty-three
    (c) 9,99,00,046 Nine crore ninety-nine lakh forty-six
    (d) 9,84,32,701 Nine crore eighty-four lakh thirty-two thousand seven hundred one

Question 4:

Insert commas suitably and write the names according to International System of Numeration:
   (a) 78921092
   (b) 7452283
   (c) 99985102
   (d) 48049831

Answer:

   (a) 78,921,092
   Seventy-eight million nine hundred twenty-one thousand ninety-two
   (b) 7,452,283
    Seven million four hundred fifty- two thousand two hundred eighty-three
   (c) 99,985,102
   Ninety-nine million nine hundred eighty-five thousand one hundred two
   (d) 48,049,831
   Forty-eight million forty-nine thousand eight hundred thirty-one