Comparing Very Large And Very Small Numbers
Chapter Name : Exponent And Powers |
Sub Topic Code : 104_08_12_05_01 |
Topic Name : Comparing Very Large And Very Small Numbers |
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Sub Topic Name : Comparing Very Large And Very Small Numbers |
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Introduction
To compare the diameter of the earth & the diameter of the sun
Pre-Requisites:
Exponents basics & applications of exponents
Activity:
When you divide one number with the other, you will get either an integer or a fraction. Depending on what you get, you can decide which is the bigger number.
Real Life Question:
If you want to decide the smallest among a list of very minute particles, how will you do that?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Which is larger? Size of Red blood cell or size of plant cell | Write both the diameters in the form of exponents and divide them with one another. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Notepad | Practice this technique with different possible numbers-both large and small. |
Real life uses :
Comparisons are important to a great extent since during critical times, it is important to decide which is preferable. For ex: While dealing with heavy machinery, emphasis is given to loading and size. Depending on the priority, a comparison is made on the parts and then a decision is made-whether to use the smaller or the bigger one.
Practical examples around us
| Examples | Explainations |
|---|---|
| Compare the size of the hair of a cat & dog | These values are divided with one another. And based on the fraction obtained, it is compared. |
What you learn in Theory:
To compare two numbers in exponent form
What you learn in Practice:
Comparison of exponents is necessary & large numbers can be compared easily without much ado.