Mathematics- Class 6- chapter 1 – Knowing Our Number – NCERT Exercise Solutions is provided below. Total Questions are in this CBSE NCERT Exercise, all are solved here.
Q1. Fill in the blanks:
(a) 1 lakh = …… ten thousand.
1 lakh = 10 ten thousand
(b) 1 million =.… hundred thousand.
1 million = 10 hundred thousand
(c) 1 crore = …… ten lakh.
1 crore = 10 ten lakh
(d) 1 crore = …… million.
1 crore = 10 million
(e) 1 million = …… lakh.
1 million = 10 lakh
Q2. 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 crores 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.
Q3. Insert commas suitably and write the names according to Indian System of Numeration:
8,75,95,762 – Eight crore seventy five lakh ninety five thousand seven hundred sixty two.
85,46,283 – Eighty five lakh forty six thousand two hundred eighty three.
99900046 – Nine crore ninety nine lakh forty six.
9,84,32,701 – 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:
78,921,092 – Seventy eight million nine hundred twenty one thousand ninety two.
7,452,283 – Seven million four hundred fifty two thousand two hundred eighty three.
99,985,102 – Ninety nine million nine hundred eighty five thousand one hundred two.
48,049,831 – Forty eight million forty nine thousand eight hundred thirty one.