Exercise 6.2.1
- Write the next three natural numbers after 10999.
Hint:simply add 1, 2, and 3 to that number.
1.
2.
3.
- Write the three whole numbers occurring just before 10001.
Hint:simply subtract 1, 2, and 3 from 10,001.
1.
2.
3.
- Which is the smallest whole number?
Hint:Remember that whole numbers include all non-negative integers, starting from zero.
The smallest whole number is
4. How many whole numbers are there between 32 and 53?
Firstly, we need to find difference between the numbers = 53 - 32 =
We know that, to find the total numbers between two numbers we subtract 1 from the difference of these numbers.
Then we get = 21 - 1 =
Hence, there are 20 whole numbers between 32 and 53.
5. Write the successor of a.2440701, b.100199
Successor of a number is the number that comes immediately after it,which is found by adding 1 to the given number.
a.2440701 + 1 =
b.100199 + 1 =
6. Write the predecessor of : (a) 94 (b) 10000
The predecessor of a number is the number that comes immediately before it, which is found by subtracting 1 from the given number.
a. 94 - 1 =
b. 10000 - 1 =
- 7.In each of the following pairs of numbers, state which whole number is on the left of the other number on the number line. Also write them with the appropriate sign (>, <) between them.
- a.530 and 503: 503 is smaller than 530,so 503 is on the
. - Appropriate sign is : 503
530 - b.370 and 307: 307 is smaller than 370, so 307 is on the
. - Appropriate sign is: 307
370. - c.98,765 and 56,789 : 56,789 is smaller than 98,765, so 56,789 is on the
. - The appropriate sign is: 56,789
98,765.
8.Which of the following statements are true (T) and which are false (F) .
Zero is the smallest natural number.
400 is the predecessor of 399
Zero is the smallest whole number.
600 is the successor of 599.
All natural numbers are whole numbers.
All whole numbers are natural numbers.
The predecessor of a two digit number is never a single digit number
1 is the smallest whole number.
The natural number 1 has no predecessor.
The whole number 1 has no predecessor
The whole number 13 lies between 11 and 12
True
False