User blog:Jeremiahdiskint/Mathematical tip Intuition

Mathematical Tip Intuition

To be able to calculate mathematical tips without a calculator

Power/Ability: To calculate proper math tips on a bill faster

Capability:

To be able to memorize and calculate mathematical tips faster without a calculator or a pen/pencil and paper

Techniques

To calculate 10% of all bills, to move the decimal to the left one place without a calculator or a pen/pencil and paper. Round to the nearest full number. Example ($12.13 becomes $1.21 the tip is $2.00)