Whole Numbers – Class 6

MODEL QUESTIONS FOR CBSE CLASS 6 MATHEMATICS
Whole Numbers – Chapter 2
Fill in the blanks:

1. The successor of 8976012 is —————-
2. The predecessor 10000 is —————
3. The natural number which has no predecessor is —————-
4. For any whole numbers a, b and c, (a + b) + c = a + (b + c).This property is known as ——
5. Tell which property is used here: 2 x 43 x 65 = 65 x 43 x 2.
   Answer the following:
6. Write the predecessor and successor of
   a) 1999
   b) 12000
7. The school canteen charges Rs 55 for lunch and Rs 26 for snacks. How much money do you spend in 6 days on these things?
8. Find 24 x 102 using distributive property.
9. Find 698 x 78 + 22 x 698 using distributive property.
10. Find the product by suitable rearrangement: 4 x 675 x 25.

ANSWERS:

1. 8976013.
2. 9999
3. 1
4. Associativity of addition.
5. Commutativity under addition
6. a)Predecessor of 1999 is 1998 and successor of 1999 is 2000.
   b) Predecessor of 12000 is 11999 and successor is 12001.
7. Cost of lunch = 6 x 55 =330
   Cost of snacks = 6 x 26 = 156
   Total cost = 330 + 156 = Rs 486.
8. 24 x 102 = 24 x (100 + 2) =24 x 100 + 24 x 2
   = 2400 + 48
   = 2448
9. 698 x 78 + 22 x 698 = 698 x (78 + 22) = 698 x 100 = 69800.
10. 4 x 675 x 25 = (4 x 25) x 675 = 100 x 675 = 67500.