Percent Problems Math Wheel can be used to introduce the different types of percent of a number problems, filling in just what you are covering each day. Or, you can use it to review all the problem types (tax, tips, discounts, markups, commissions) at the same time. Students take notes, use color to help with memory, and complete practice problems found around the wheel.What is a math doodle wheel? A math doodle wheel is a type of graphic organizer where students can: Take notes inside the ma