This is a cross-curricular lesson plan (Math and Music) that can also be modified for IEPs and Special Learners. This plan uses online catalogs to create a wish list of music for the Chorus library. Students must then follow a budget and reflect upon the cost and use of materials in the classroom. This is a two day lesson plan that includes exit slips and allows the students to work independantly or in groups. The instructor must create the spreadsheets in Google docs so that they may have the