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Important Formulas: Whole Numbers | Mathematics (Maths) Class 6 PDF Download

(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. 

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What is the predecessor of the whole number 8?
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(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.

Important Formulas: Whole Numbers | Mathematics (Maths) Class 6

Subtraction on a Number Line

To subtract numbers, we start at one number and make jumps to the left on the number line.

Important Formulas: Whole Numbers | Mathematics (Maths) Class 6

Multiplication on a Number Line

To multiply numbers, we start at 0 and make equal jumps forward on the number line.

Important Formulas: Whole Numbers | Mathematics (Maths) Class 6

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FAQs on Important Formulas: Whole Numbers - Mathematics (Maths) Class 6

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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