Fractions subtraction trick - the fast way!
12:29
How to Calculate ANY Fraction Easily!
8:02
Fractions addition and subtraction trick - do them the fast way!
6:42
Adding and Subtracting Mixed Numbers
5:23
Mixed number fraction trick - Imagine how much time you could have saved!
8:16
How to multiply ANY numbers the fast way - Fast Math Trick
16:23
Fast Mental Multiplication Trick - Multiply in your head using base 20 and 30
21:04
Fractions Made EASY!
9:13