Numbers are used for calculating and counting.

These counting numbers 1, 2, 3, 4, 5, .......... are called *natural numbers*.

In order to describe the number of elements in a collection with no objects, we use the symbol ‘0’ called *zero*.

The number ‘0’ together with the natural numbers gives us the numbers 0, 1, 2, 3, 4, 5, …………… which are called *whole numbers*.

We know,

In order to represent any numbers, we use ten symbols 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. These ten symbols are called *digits* or *figures*.*A group of digits denoting a number is called a numeral*.

**Note:**

Hereafter, we shall be using the words, number and numeral, as the same thing.

*The method of representing a number in digits or figures is called notation*.

Thus in numbers we will learn how to read and write large numbers, comparison of numbers, estimation etc.......

**Numbers**

**●**** ****Reading and Writing Large Numbers**

**● ****Unit of Measurement**

**● ****Estimate**

Estimating Product and Quotient

Representation of Whole Numbers on Number Line

Division as The Inverse of Multiplication

**● ****Fraction**

Representations of Fractions on a Number Line

Conversion of Mixed Fractions into Improper Fractions

Conversion of Improper Fractions into Mixed Fractions

Interesting Fact about Equivalent Fractions

Addition and Subtraction of Like Fractions

Addition and Subtraction of Unlike Fractions

Inserting a Fraction between Two Given Fractions

To find Profit or Loss when Cost Price and Selling Price are Given

To find Selling Price when Cost Price and Profit or Loss are Given

To find Cost Price when Selling Price and Profit or Loss are Given

Compare Two Numbers using a Number Line

Natural Numbers, Whole Numbers and Integers on Number Lines

Addition of Numbers using Number Line

Subtraction of Numbers using Number Line

Addition of Numbers without using Number Line

Subtraction of Numbers without using Number Line

Representing Fractions on Number Line

Representing Decimals on Number Line

**● ****Number Line - Worksheets**

Worksheet on Fractions and Decimals on Number Line

Worksheet on Addition and Subtraction using Number Line

Worksheet on Addition and Subtraction without using Number Line

**6th Grade Page**

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