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Mental Math for Money, Tipping and Percentage

The following videos show some math tricks that will help you to do mental math for money, tipping and percentage quickly and efficiently.

 

 

Mental Math - Rapidly Adding Money
Can you add $2.47 + $1.35 + $6.82 in your head? Keep watching to find out how!

 

 

Mental Math Podcast (Math Tricks) - Calculate Restaurant Tips
Learn to Rapidly Calculate 10%, 15%, and 20% tips at restaurants!

 

 

Mental Math & Percent of a Number

 

 

Tipping without a Calculator
Mental math when figuring out a tip!

 

 

 

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