Do you ever teach a lesson and think it's amazing and then you get dozens of emails that the students didn't understand the lesson? Eliminate this problem using math notes. These math notes are great to use in your math class because they students will have a place to review the lesson. How can you use this in your classroom?1. Direct Instruction: Use the math notes as a reference tool during direct instruction. Students can follow along and take notes on the important concepts being taught. 2.