Assess students' ability to analyze costs, set prices, and calculate profits for a classroom lemonade stand. Items will cover identifying simple fixed and variable costs, computing cost per cup, calculating revenue and profit for given prices and sales quantities, determining the break-even number of cups, comparing pricing options to select the most profitable or fair strategy, and interpreting short tables or word problems. Problems use whole numbers and simple fractions appropriate for grades 3–5 and require explanation of reasoning.