Properties Of Rational Numbers
Chapter Name : Rational Numbers |
Sub Topic Code : 104_08_01_02_06 |
Topic Name : Properties Of Rational Numbers |
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Sub Topic Name : Negative Of A Number |
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Introduction
When we subtract a number from itself, the result is zero. The situation can also be put across like this: adding the the negative of a number to the itself results in zero. This negative, is called ADDITIVE INVERSE
Pre-Requisites:
Basic knowledge about addition and numbers
Activity:
After climbing up the steps and climbing those down again, your net movement will be zero.
Real Life Question:
How many steps do we need to walk to reach where we started after walking 5 steps forward?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Additive Inverse | A number which on addition with another number results 0. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Stair case | By counting the number of steps climbed and climbing down the same number of steps. |
Practical examples around us
| Examples | Explainations |
|---|---|
| Lock | The key is turned in one direction to lock and then the opposite to open it. |
What you learn in Theory:
An Intro into additive inverse of whole numbers, integers and rational numbers.
What you learn in Practice:
Additive inverse talks about reaching the initial state. This has many applications in applied physics and economics. This topic throws light on the importance of the concept.