Question

1. Write the successor of
i) 2099
ii) 100

2. Write the predecessor of
i) 1000
ii) 32098

3. Write the next three natural numbers after 2009.

4. Write the property of whole numbers used here:
(3 + 4) + 5 = 3 + (4+5)

5. Find using suitable properties:
i) 25 x 657 x 4
ii) 625 x 43256 x 16.

6. Simplify using suitable properties:
i) 243 x 45 + 55 x 243.
ii) 452 x 125 – 452 x 25.

7. Find using Distributive property:
i) 423 x 101
ii) 436 x 1001

8. Write the property of whole numbers used here:
i) 2 x 45 x 65 = 65 x 45 x 2
ii) 43 + 236 +65 = 236 + 65 + 43

9. How many whole numbers are there between 30 and 39?

10. Which of the following statements are true and which are false?
i) Zero is the smallest natural number.
ii) Zero is the smallest whole number.
iii) All natural numbers are whole numbers.
iv) All whole numbers are natural numbers.

Answer 1

• successor of 2099 is 2100.
• successor 100 is 101
• predecessor of 1000 is 999
• predecessor of 32098 is 32097
• the next three natural numbers after 2009 are 2010,2011,2012

• 1. List of Properties of Whole Numbers2. Closure Property3. Associative Property4. Commutative Property
• 5. Distributive Property.