NCERT Solutions Class 6 Maths
Chapter – 1 (Knowing Our Numbers)
The NCERT Solutions in English Language for Class 6 Mathematics Chapter – 1 Knowing Our Numbers Exercise 1.1 has been provided here to help the students in solving the questions from this exercise.
Chapter 1: Knowing Our Numbers
Exercise – 1.1
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.
Solutions:
(a) 1 lakh = 10 ten thousand
= 1,00,000
(b) 1 million = 10 hundred thousand
= 10,00,000
(c) 1 crore = 10 ten lakh
= 1,00,00,000
(d) 1 crore = 10 million
= 1,00,00,000
(e) 1 million = 10 lakh
= 1,000,000
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.
Solutions:
(a) Seventy three lakh seventy five thousand three hundred seven = 73,75,307
(b) Nine crore five lakh forty one = 9,05,00,041
(c) Seven crore fifty two lakh twenty one thousand three hundred two = 7,52,21,302
(d) Fifty eight million four hundred twenty three thousand two hundred two = 5,84,23,202
(e) Twenty three lakh thirty thousand ten = 23,30,010
3. Insert commas suitably and write the names according to Indian System of Numeration:
(a) 87595762
(b) 8546283
(c) 99900046
(d) 98432701
Solutions:
(a) 87595762
Eight crore seventy five lakh ninety five thousand seven hundred sixty two
(b) 8546283
Eighty five lakh forty six thousand two hundred eighty three
(c) 99900046
Nine crore ninety nine lakh forty six
(d) 98432701
Nine crore eighty four lakh thirty two thousand seven hundred one
4. Insert commas suitably and write the names according to International System of Numeration:
(a) 78921092
(b) 7452283
(c) 99985102
(d) 48049831
Solutions:
(a) 78921092
Seventy eight million nine hundred twenty one thousand ninety two
(b) 7452283
Seven million four hundred fifty-two thousand two hundred eighty three
(c) 99985102
Ninety nine million nine hundred eighty five thousand one hundred two
(d) 48049831
Forty eight million forty-nine thousand eight hundred thirty one
