Divisibility Rules for Number 4

The video tutorial explains how to determine if the number 312 is divisible by 4. It introduces a simple rule: if the last two digits of a number are divisible by 4, then the entire number is divisible by 4. The tutorial uses the example of 312, showing that since 12 is divisible by 4, 312 is also divisible by 4. Additionally, it demonstrates a calculation to verify this rule, concluding with a summary of the process.

What is the simple method to determine if a number is divisible by 4?

• Check if the number is even

• Check if the last digit is 4

• Check if the last two digits are divisible by 4

• Check if the number is a multiple of 10

Why is the number 312 divisible by 4?

• Because 3 is divisible by 4

• Because 12 is divisible by 4

• Because 31 is divisible by 4

• Because 312 is an even number

Which of the following numbers is divisible by 4?

• 812

• 123

• 456

• 789

What is the result of multiplying 753 by 4?

• 312

• 3152

• 3120

• 3012

How can you verify if a number is divisible by 4 using multiplication?

• Multiply the number by 2

• Multiply the number by 3

• Multiply the number by 4 and check the result

• Multiply the number by 5