Thursday , July 7 2022
NCERT 5th Class (CBSE) Mathematics: Large Numbers

NCERT 5th Class (CBSE) Mathematics: Large Numbers

Question: (a) How would you express 10 million in the Indian system?

Answer: One crore

(b) Give the Indian word form of two hundred fifty million.

Answer: Twenty-five crore

(c) One hundred thousand is the same as which number in the Indian system.

Answer: One lakh

(d) Give the international word form for three crore thirty lakh forty thousand.

Answer: Thirty-three million forty thousand

(e) Give the international word form for forty-six lakh three thousand nine.

Answer: Four million six hundred three thousand nine.


Ancient Roman wrote numerals that did not use place value.

They had seven basic symbols represented by three letters.

Roman numbers
Roman numbers

They formed other numbers by combining these letters following certain rules.

{Putting a symbol after a bigger one means you add it.}

75 = LXXV               50+10+10+5

607 = DCVII            500+100+5+1+1

1560 = MDLX         1000+500+50+10

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  1. Very nice!

  2. Very good!