# CBSE Class 6 Mathematics/Knowing Our Numbers – Chapter 1/Extra Questions.

CBSE Class 6 Mathematics/Knowing Our Numbers – Chapter 1 is about the important questions that you can expect for Yearly Examination. Here you can find out practice problems for Class 6 Maths.

CBSE Class 6 Mathematics/ Knowing Our Numbers – Chapter 1
Extra Questions for Practice/Model Questions

1. Write the number name and expanded form of 4098.
Solution:
Number name: Four Thousand Ninety Eight.
Expanded form: 4 x 1000 + 9 x 10 + 8
2. Write the greatest and smallest five digit numbers using the digits 7, 5, 0 with repetition.
Solution:
Greatest Number: 77750
Smallest Number: 50007
3. Write the place value and face value of 5 in 75689.
Solution:
Place Value: 5000
Face Value: 5
4. Write the following numbers in ascending and descending order;
34576, 34675, 34756, 36475, 35475
Solution:
Ascending Order: 34576, 34675, 34756, 35475, 36475
Descending Order: 36475, 35475, 34756, 34675, 34576
5. Round off to nearest tens, hundreds, thousands: 3578
Solution:
Nearest tens: 3580
Nearest hundreds: 3600
Nearest thousands: 4000
6. Estimate the following products: 45 x 425
Solution:
45 rounds off to 50
425 rounds off to 400
Estimated product = 50 x 400 = 20000
7. Write the numbers in Roman Numerals:
i) 92
ii) 100
Solution:
92 = XCII
100 = C
8. Write Hindu-Arabic numeral for:
i) LXXVI
ii) XCVII
Solution:
i) LXXVI = 76
ii) XCVII = 97
9. Write the numeral: Fifty million four hundred eight thousand three hundred four.
Solution:
50,408,304.
10. Write the numeral: Three crore nine lakh forty five thousand twenty three.
Solution:
3, 09,45,023.