T-Shirt Factory Performance Task: Comparing Sales, Addition & Subtraction Practice (Grade 3)Step into the world of custom designs and colorful tees with this T-Shirt Factory Performance Task! Your third graders will become factory managers, tracking sales, comparing totals, and solving real-world math problems using addition and subtraction. This engaging activity blends creativity with computation — perfect for developing problem-solving, reasoning, and data analysis skills. Students will love