The document outlines a lesson plan for a 3rd grade mathematics class on learning about currency and prices through simulated shopping at a supermarket. Students will place prices on various items to represent a real supermarket. They will then make purchases and calculate totals, working within budgets. Key vocabulary and concepts include items, costs, prices, money, offers, budgets, and basic addition and subtraction operations. Students will be evaluated on their attitudes, teamwork, understanding of money values, and achievement of learning objectives.