EVENTS
CONVENT HIGH SCHOOL
31/07/2021 CLASS-6 SESSION2021-22(SLOT-1)
Maths
Chapter-1
Knowing our Numbers
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Knowing our Numbers Chapter Explanation
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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.
Solution:
(a) 1 lakh = ten ten thousand.
(b) 1 million = ten hundred thousand.
(c) 1 crore = ten ten lakh
(d) 1 crore = ten million
(e) 1 million = ten lakh
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.
Solution:
(a) 73,75,307
(b) 9,05,00,041
(c) 7,52,21,302
(d) 5,84,23,202
(e) 23,30,010.
Question 3.Insert commas suitably
and write the names according to Indian System of Numeration:
(a) 87595762
(b) 8546283
(c) 99900046
(d) 98432701
Solution:
(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
Solution:
(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)
