Properties Of Rational Numbers
Chapter Name : Rational Numbers |
Sub Topic Code : 104_08_01_02_05 |
Topic Name : Properties Of Rational Numbers |
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Sub Topic Name : The Role Of (1) |
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Introduction
When any number is multiplied by 1, it remains the same. Thus, 1 becomes a multiplicative identity.
Pre-Requisites:
Basic knowledge about multiplication and numbers
Activity:
In the learning aid activity, after a full round the face will reach the starting position, that is after a unit of revolution or one revolution. Thus, the starting and ending position are IDENTICAL.
Real Life Question:
Whether you have one apple, two apples or three and your alone, are you sure you'll get them all?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Multiplicative Identity | A number which on multiplication with another number results in the number that was multiplied. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Revolving chair | Mark the face of the chair and revolve it a full circle. |
Real life uses :
Each and every thing has a use of additive identity, the world of digital technology depends on 0 and 1, measurement systems,
Practical examples around us
| Examples | Explainations |
|---|---|
| Revolution of earth | After every unit of revolution, the earth reaches the initial place marked. One unit of revolution = one year typically. |
What you learn in Theory:
An Intro into multiplicative identity of whole numbers, integers and rational numbers.
What you learn in Practice:
Importance of 1 in mathematics and everyday life