27
Jan
Class 9 | Chapter 1 | Number System | Example 10
Example 10: Find an irrational number between 1/7 and 2/7. Example 7, 8 & 9 Example 11
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27
Jan
Class 9 | Chapter 1 | Number System | Example 5 & 6
Example 5: Find the decimal expansions of 10/3, 7/8 and 1/7 Example 6: Show that 3.142678 is a rational number. In other words, express 3.142678 in the form p/q ,where p and q are integers and q≠0. Example 3 &…
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27
Jan
Class 9 | Chapter 1 | Number System | Example 3 & 4
Example 3: Locate √2 on the number line. Example 4: Locate √3 on the number line. Example 1 & 2 Example 5 & 6
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27
Jan
Number System
Concept: In this tutorial, you will learn about the very important topic – Number system. It is one of the basic concepts of Mathematics that every math student should learn very well. This is foundation of rest of the mathematics…
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27
Jan
Class 9 | Chapter 1 | Number System | Example 1 & 2
Example 1: Are the following statements true or false? Give reasons for your answers. Every whole number is a natural number. Every integer is a rational number. Every rational number is an integer. Example 2: Find five rational numbers between…
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15
Aug
Additive Identity, Multiplicative identity, Additive inverse, Reciprocal
Concept: In this tutorial, you will learn the following: Additive Identity (0) Multiplicative identity (1) Additive inverse (-x) Reciprocal or Multiplicative Inverse (1/x where is not equal to zero) Closure property – Rational Numbers Commutative Law
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15
Aug
Closure property – Rational Numbers
Concept: In this tutorial, you will learn about the closure property. It is discussed in detail for the following operations on rational numbers. Addition Subtraction Multiplication Division Closure property – Whole Numbers & Integers Identity & Inverse
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15
Aug
Closure property – Whole Numbers and Integers
Concept: In this tutorial, you will learn about the closure property. It is discussed in detail for the following operations on Whole numbers and Integers. Addition Subtraction Multiplication Division Closure property – Natural numbers Closure property – Rational numbers
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15
Aug
Closure property – Natural Numbers
Concept: In this tutorial, you will learn about the closure property. It is discussed in detail for the following operations on natural numbers. Addition Subtraction Multiplication Division Associative property Closure property – Whole Numbers & Integers
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14
Aug
Associative property of addition and multiplication
Concept: In this tutorial, you will learn about the Associative property of addition and multiplication. Also explained is why it does not apply on subtraction and division. The concept has been explained with very simple and interactive examples. Distributive property…
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