Tests Of Divisibility
Chapter Name : Playing With Numbers |
Sub Topic Code : 104_08_16_05_02 |
Topic Name : Tests Of Divisibility |
|
Sub Topic Name : Divisibility By 2 |
|
Introduction
Divisibility by 2.
Pre-Requisites:
Basic knowledge of divisor and multiple.
Activity:
Write down random numbers and you can observe that the numbers with unit digits divisible by 2 are divisible by 2.
Real Life Question:
If a number ends with 4, is it divisible by 2?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Divisibility by 2 | If the unit digit is divisible by 2,then the number is divisible by 2 |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Divisibility by 2 test | Given a number find whether it is divisible by 2 or not. |
Real life uses :
If Rs 18 for 2 bananas then , how much is each banana?
Practical examples around us
| Examples | Explainations |
|---|---|
| If abcd6 is a 5 digit number .When this number is divide by 2,do we get an integer | Yes, the units digit is 6, which is divisible by 6 which makes abcd6 divisible by 2. |
What you learn in Theory:
Divisibility by 2
What you learn in Practice:
Divisibility