# CBSE Class 6 Mathematics/ Knowing Our Numbers.

CBSE Class 6 Mathematics/Knowing our numbers is about the worksheets for Class 6 Mathematics. Here you can find out practice problems for Class 6 Mathematics.

CBSE Class 6 Mathematics Worksheets
Knowing Our Numbers – Chapter 1
Choose the correct answer from the options given below:

1. Find the greatest number?
A. 4892
B. 4982
C. 4829
2. The smallest 4 digit number that can be formed using the digits 3, 9, 0, 1 is —————
A. 0139
B. 1039
C. 1390
3. Write the numeral of 2 x 10000 + 8 x 10 + 5 x 1
A. 20805
B. 20085
C. 20850
4. 1000 hundreds make ————–
A. 1 lakh
B. 1 Crore
C. 10 lakh
5. 1 gram = ——— milligrams
A. 10
B. 100
C. 1000
Fill in the blanks:
6. The numeral for Three lakh fifty three thousand five hundred is ————-
7. 1000 million = ——— billion
8. 1 lakh = —- ten thousand
9. Round off to the nearest hundreds of 9537 is ——–
10. The Roman numeral XC stands for —————-
Answer the following:
11. Make the greatest and smallest 4 digit numbers by using any one digit twice: 9, 0, 6
12. Write the number name and expanded form of 29085
13. Put commas suitably and write the number name according to International System of Numeration: 90877432
14. Find the estimated sum of 678 + 985 (round off to nearest tens)
15. Write in Roman numerals:
a) 342
b) 987

ANSWERS:

1. 4982
2. 1039
3. 20085
4. 1 lakh
5. 1000
6. 3,53,500
7. 1
8. 10
9. 9500
10. 90
11. Greatest number is 9960
Smallest number is 6009.
12. 29085 – Twenty nine thousand eighty five.
Expanded form: 2 x 10000 + 9 x 1000 + 8 x 10 + 5 x 1
13. 90,877,432
Number name: Ninety million eight hundred seventy seven thousand four hundred thirty two.
14. 678 rounds off to 680
985 rounds off to 990
Estimated sum = 680 + 990 = 1670
15. 342 – CCCXLII
987 – CMLXXXVII