Use this St. Patrick’s Day Challenge to have students practice adding, subtracting, and multiplying decimals while managing a budget. It is a Low Floor, High Ceiling math activity: the low floor allows every student to start easily, spending the money right away without much thought, while the high ceiling invites deeper analysis to find the best strategy that will lead to the greatest profit. Students receive a limited budget and must decide how to spend it in the St. Patrick’s Shop, whe