25 videos in "Computation Shortcuts"

Ex 1  Multiplying numbers with 25

Ex 2  Multiplying numbers with 25

Ex 3  Multiplying numbers with 25

Ex 1  Multiplying numbers with 11

Ex 2  Multiplying numbers with 11

Ex 3  Multiplying numbers with 11

Ex 1  Multiplying numbers with 5

Ex 2  Multiplying numbers with 5

Ex 3  Multiplying numbers with 5

Ex 1  Multiplying numbers using Line Intersection

Ex 2  Multiplying numbers using Line Intersection

Ex 3  Multiplying numbers using Line Intersection

Ex 1  Dividing numbers by 25

Ex 2  Dividing numbers by 25

Ex 3  Dividing numbers by 25

Ex 1  Dividing numbers by 5

Ex 2  Dividing numbers by 5

Ex 3  Dividing numbers by 5

Ex 1  Subtracting from multiples of 10

Ex 2  Subtracting from multiples of 10

Ex 3  Subtracting from multiples of 10

Ex 1  Squaring numbers ending with 5

Ex 2  Squaring numbers ending with 5

Ex 3  Squaring numbers ending with 5

Fastest Way to Multiply by Six
Ex 1  Multiplying numbers with 25
 How do you multiply a number by 25?
 Is there a quick and easy shortcut or trick for multiplying numbers by 25?
 How can you find 684 * 25 quickly?
This video shows a good and useful method for multiplying a number by 25. Great for quick mental math computations.