Properties Of Rational Numbers
Chapter Name : Rational Numbers |
Sub Topic Code : 104_08_01_02_07 |
Topic Name : Properties Of Rational Numbers |
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Sub Topic Name : Reciprocal |
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Introduction
By multiplying the reciprocal of a number to the number, the number will be equal to 1. The Reciprocal of a number is the multiplicative inverse of it.
Pre-Requisites:
Basic knowledge about multiplication, division and numbers
Real Life Question:
Divide the cake into 8 pieces. But you eat all pieces. Does it mean you had one cake or 8 cakes?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Multiplicative Inverse | A number which on multiplication with another number results 1. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|
Real life uses :
Applied higher mathematics
Places to visit :
Any place with a joyful journey
Practical examples around us
| Examples | Explainations |
|---|---|
| 3D movies | To create the third dimension, the image will be repeatedly divided with its inverse. The picture on the screen for this reason appears blurred without the polaroid’s due to it. |
| Money lending | The reciprocals are used while calculating the interest |
What you learn in Theory:
An Intro into reciprocals and multiplicative inverse of whole numbers, integers and rational numbers.
What you learn in Practice:
This has many applications in higher mathematics and applied sciences. This topic throws light on the importance of the concept.