CBSE Class 6 Mathematics/Whole Numbers – Chapter 2
Extra Questions for Practice/Model Questions/Worksheet
Fill in the blanks:

1. The smallest whole number is ——————
2. The smallest natural number is —————-
3. The numbers which are countable are called ———–
4. The natural numbers along with zero form the collection of ——-
5. If we add 1 to any number, we get it’s ————–
6. If we subtract 1 from any number, we get it’s ————–
7. Which is the only whole number which is not a natural number?
8. Predecessor of 1000 is ——————–
9. Successor of 10199 is ———————-
10. State the property used here: 43 + 52 = 52 + 43
    Answer the following:
11. Write the whole number whose successor is 18900.
12. Write the whole number whose predecessor is 9999.
13. State the property in each case:
    a) 21 + (34 + 23) = (21 + 34) + 23
    b) 32 + 21 = 21 + 32
    c) 24 x (20 + 5) = 24 x 20 + 24 x 5
14. Find the value using suitable rearrangement: 25 x 679 x 4
15. Find using distributive property: 235 x 102

Answers:

1. Zero
2. One
3. Natural numbers
4. Whole numbers
5. Successor
6. Predecessor
7. Zero
8. 999
9. 10200
10. Commutative property
11. 18899
12. 10000
13. a) Associative property
    b) Commutative property
    c) Distributive property
14. 25 x 679 x 4 = (25 x 4) x 679 = 100 x 679 = 67900
15. 235 x 102 = 235 x (100 + 2) = 235 x 100 + 235 x 2
    = 23500 + 470 = 23970