Class 5 Exam  >  Class 5 Videos  >  Advance Learner Course: Mathematics (Maths) Class 5  >  Divisibility by 2,4 and 8 - Playing with Numbers

Divisibility by 2,4 and 8 - Playing with Numbers Video Lecture | Advance Learner Course: Mathematics (Maths) Class 5

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FAQs on Divisibility by 2,4 and 8 - Playing with Numbers Video Lecture - Advance Learner Course: Mathematics (Maths) Class 5

1. What is divisibility by 2?
Ans. Divisibility by 2 means that a number is evenly divisible by 2 without leaving a remainder. In other words, if a number is divisible by 2, it can be divided into two equal parts.
2. How can I determine if a number is divisible by 4?
Ans. To check if a number is divisible by 4, we need to check the last two digits of the number. If the last two digits form a number that is divisible by 4 (such as 04, 08, 12, etc.), then the original number is also divisible by 4.
3. What is the rule for divisibility by 8?
Ans. To check if a number is divisible by 8, we need to look at the last three digits of the number. If the last three digits form a number that is divisible by 8, then the original number is also divisible by 8.
4. Can a number be divisible by both 2 and 4?
Ans. Yes, a number can be divisible by both 2 and 4. Since 4 is a multiple of 2, any number divisible by 4 will also be divisible by 2. However, not all numbers divisible by 2 are divisible by 4.
5. Are there any shortcuts or tricks to determine divisibility by 2, 4, and 8?
Ans. Yes, there are shortcuts to determine divisibility by 2, 4, and 8. For divisibility by 2, you only need to check the last digit of the number. If it is even, the number is divisible by 2. For divisibility by 4, you only need to check the last two digits. If they form a number divisible by 4, the original number is divisible by 4. Similarly, for divisibility by 8, you only need to check the last three digits. If they form a number divisible by 8, the original number is divisible by 8.
37 videos|22 docs|10 tests

Timeline

00:04 Introduction
01:05 Divisibility of zero
01:34 Divisibility rule of 2
03:13 Divisibility rule of 4
04:29 Divisibility rule of 8
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