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Important Formulas Whole Numbers - & Pedagogy Paper 2 for CTET & TET Exams - CTET
(1) Natural numbers are all the numbers from 1 onwards, i.e., 1, 2, 3, 4, 5, 6, and are used for counting.
(2) Whole numbers are all the numbers from 0 onwards, i.e., 0, 1, 2, 3, 4, 5, 6, and are used for calculating.
(3) The smallest natural number is 1 and the smallest whole number is 0.
(4) The successor of a whole number is 1 more than the whole number.
(5) The predecessor of a whole number is 1 less than the whole number. There is no predecessor of zero in whole numbers.
(6) A number line is a horizontal line on which there are equally spaced points. These points represent whole numbers starting from zero.
MULTIPLE CHOICE QUESTIONTry yourself: What is the predecessor of the whole number 8?
(7) Whole numbers on Number Line:
Addition on a Number Line
To add numbers, we start at one number and make jumps to the right on the number line.
Subtraction on a Number Line
To subtract numbers, we start at one number and make jumps to the left on the number line.
Multiplication on a Number Line
To multiply numbers, we start at 0 and make equal jumps forward on the number line.
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FAQs on Important Formulas Whole Numbers - & Pedagogy Paper 2 for CTET & TET Exams - CTET
| 1. What are some examples of whole numbers? |  |
Ans. Whole numbers are numbers without any fractions or decimals. Examples of whole numbers include 0, 1, 2, 3, 4, 5, etc.
| 2. How can whole numbers be used in real life? | |
Ans. Whole numbers are used in various real-life situations such as counting objects, keeping track of money, measuring quantities, and representing scores in sports.
| 3. Can whole numbers be negative? | |
Ans. No, whole numbers cannot be negative. They start from 0 and increase by 1 indefinitely in the positive direction.
| 4. How are whole numbers different from natural numbers? | |
Ans. While whole numbers include 0 and all positive integers, natural numbers do not include 0. Natural numbers start from 1 and increase by 1 indefinitely.
| 5. How can whole numbers be used in mathematical operations? | |
Ans. Whole numbers can be used in addition, subtraction, multiplication, and division operations to solve mathematical problems and equations.
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