Divisibility Test for 7

Make the educatinal video of Mathematics from the below written script of duration 10 minutes in English

language. Title - Divisibility Test for 7 One common method to test divisibility

by 7 is: Separate the last digit of the number. Double the last digit.

Subtract this value from the remaining number. If the result is divisible by 7 (or

equals 0), then the original number is divisible by 7. Examples:

203 Last digit = 3, remaining number = 20 Double 3 = 6

20 − 6 = 14 14 is divisible by 7, so 203 is divisible by 7.

357 Last digit = 7, remaining number = 35 Double 7 = 14