Introduction
Chapter Name : Playing With Numbers |
Sub Topic Code : 104_08_16_01_01 |
Topic Name : Introduction |
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Sub Topic Name : Introduction |
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Introduction
Various types of numbers.
Pre-Requisites:
Basic knowledge on numbers
Activity:
Take 2 integers and identify rational numbers between them. Now take any 2 rational numbers and find another rational number between them.
Real Life Question:
There is more than one apple on the table. Does the possible number of apples belong to whole numbers?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Natural Numbers Whole Numbers Integers Rational Numbers Irrational numbers | The set {1,2,3,4….} is called as natural numbers The set {0,1,2,3,4….} is called as whole numbers The set {….-3,-2,-1,0,1,2,3,4….} is called as Integers The numbers which can be written in p/q form, q? 0, p, q are integers. The numbers which are not rational numbers. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Number line | Take a number line and show natural numbers, whole numbers, rational numbers, integers. |
Real life uses :
Scale of a thermometer is made by numbers
Practical examples around us
| Examples | Explainations |
|---|---|
| The numbers used in counting number of people at a place are? | Natural Numbers, because no. of people is positive. Also the number of people should be an integer |
What you learn in Theory:
Types of numbers
What you learn in Practice:
Types of numbers and usage.