Tests Of Divisibility
Chapter Name : Playing With Numbers |
Sub Topic Code : 104_08_16_05_04 |
Topic Name : Tests Of Divisibility |
|
Sub Topic Name : Divisibility By 5 |
|
Introduction
Divisibility by 5.
Pre-Requisites:
Basic knowledge of divisor and multiple.
Activity:
Write down random numbers and you can observe that any number in which units place is either 0 or 5 will be divisible by 5.
Real Life Question:
What type of a number is the result when 1580 is divided by 5?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Divisibility by 5 | If the unit digit is either 0 or 5 then the number is divisible by 5 |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Divisibility by 5 test | Given a number find whether it is divisible by 5 or not. |
Real life uses :
If its Rs 10 for 5 bananas then , how much is each banana?
Practical examples around us
| Examples | Explainations |
|---|---|
| If a cloth costs 100rs for 5m then how much is the cost for 1m? Is it an integer? | Yes it is an integer, because 100 unit digit is 0.The number is divisible by 5. |
What you learn in Theory:
Divisibility by 5
What you learn in Practice:
Divisibility