# NCERT Books Solutions for Class 6 Mathematics english Medium 1. Knowing Our Numbers

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##### NCERT Solutions⇒Class 6th ⇒ Mathematics ⇒ Chapter 1. Knowing Our Numbers

## 1. Knowing Our Numbers

#### Exercise 1.1

## Exercise-1.1 ch-1

1. Fill in the blanks:

(a) 1 lakh = __10______ ten thousand.

(b) 1 million =__10______ hundred thousand.

(c) 1 crore = __10______ ten lakh.

(d) 1 crore = __10______ million.

(e) 1 million = __10______ lakh.

2. Place commas correctly and write the numerals:

(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.6,84,23,202

(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) 8,75,95,762 : eight crore, seventy five lakh, ninety five thousand, seven hundred sixty two

(b) 85,46,283 : eighty five lakh, fourty`six thousand,

(c) 9,99,00,046 : nine crore ninety nine lakh fourty six.

(d) 9,84,32,701 : nine crore eigty four lakh thirty two seven hundred one.

4. Insert commas suitably and write the names according to International System

of Numeration :

(a) 78921092 : 78,921,092

(b) 7452283 : 7,452,283

(c) 99985102 : 99,985,102

(d) 48049831 : 48,049,831

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##### NCERT Solutions⇒Class 6th ⇒ Mathematics ⇒ Chapter 1. Knowing Our Numbers

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